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1. Examine the description of the PRODUCTS table:

Which three queries use valid expressions? (Choose three.)

A. SELECT product_id, (unit_price * 0.15 / (4.75 + 552.25)) FROM products;

B. SELECT product_id, unit_price, S "Discount", unit_price + surcharge - discount FROM products;

C. SELECT product_id, unit_price || 5 "Discount", unit_price + surcharge - discount FROM products;

D. SELECT product_id, expiry_date * 2 FROM products;

E. SELECT product_id, (expiry_date - delivery_date) * 2 FROM products;

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2. Which two are true? (Choose two.)

A. CEIL requires an argument which is a numeric data type.

B. ADD_MONTHS adds a number of calendar months to a date

C. LAST_DAY returns the date of the last day of the month for the date argument passed to the function.

D. LAST_DAY returns the date of the last day of the current month only.

E. CEIL returns the largest integer less than or equal to a specified number.

F. LAST_DAY returns the date of the last day of the previous month only.

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3. Examine this statement:

Which two statements are true? (Choose two.)

A. The names of employees earning the maximum salary will appear first in an unspecified order.

B. All remaining employee names will appear in descending order.

C. All remaining employee names will appear in an unspecified order.

D. All remaining employee names will appear in ascending order.

E. The names of employees earning the maximum salary will appear first in ascending order.

F. The names of employees earning the maximum salary will appear first in descending order.

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4. The EMPLOYEES table contains columns EMP_ID of data type NUMBER and HIRE_DATE of data type DATE.
You want to display the date of the first Monday after the completion of six months since hiring.
The NLS_TERRITORY parameter is set to AMERICA in the session and, therefore, Sunday is the first day of the week.
Which query can be used?

A. SELECT emp_id, ADD_MONTHS(hire_date, 6), NEXT_DAY('MONDAY') FROM employees;

B. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) FROM employees;

C. SELECT emp_id, NEXT_DAY(MONTHS_BETWEEN(hire_date, SYSDATE), 6) FROM employees;

D. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 'MONDAY') FROM employees;

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5. Which three statements are true about single-row functions? (Choose three.)

A. They return a single result row per table.

B. They can be nested to any level.

C. They can accept only one argument.

D. The argument can be a column name, variable, literal or an expression.

E. They can be used only in the WHERE clause of a SELECT statement.

F. The data type returned can be different from the data type of the argument.

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6. Which two actions can you perform with object privileges? (Choose two.)

A. Create roles.

B. Create FOREIGN KEY constraints that reference tables in other schemas.

C. Delete rows from tables in any schema except SYS.

D. Set default and temporary tablespaces for a user.

E. Execute a procedure or function in another schema.

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7. Which three statements are true about Oracle synonyms? (Choose three.)

A. Any user can drop a PUBLIC synonym.

B. A synonym created by one user can refer to an object belonging to another user.

C. A SEQUENCE can have a synonym.

D. A synonym can be available to all users.

E. A synonym cannot be created for a PL/SQL package.

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8. Which two are true about the NVL, NVL2, and COALESCE functions? (Choose two.)

A. NVL must have expressions of the same data type.

B. NVL can have any number of expressions in the list.

C. NVL2 can have any number of expressions in the list.

D. COALESCE stops evaluating the list of expressions when it finds the first non-null value.

E. The first expression in NVL2 is never returned.

F. COALESCE stops evaluating the list of expressions when it finds the first null value.

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9. Which three statements are true about multiple row subqueries? (Choose three.)

A. Two or more values are always returned from the subquery.

B. They can contain HAVING clauses.

C. They can contain GROUP BY clauses.

D. They can return multiple columns.

E. They cannot contain a subquery.

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10. Which two statements are true about the COUNT function? (Choose two.)

A. COUNT(*) returns the number of rows in a table including duplicate rows and rows containing NULLs in any column.

B. It can only be used for NUMBER data types.

C. COUNT(DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates and NULLs in the INV_AMT column.

D. COUNT(inv_amt) returns the number of rows in a table including rows with NULL in the INV_AMT column

E. A SELECT statement using the COUNT function with a DISTINCT keyword cannot have a WHERE clause.

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11. Which three are true about dropping columns from a table? (Choose three.)

A. A column must be set as unused before it is dropped from a table.

B. A primary key column cannot be dropped.

C. Multiple columns can be dropped simultaneously using the ALTER TABLE command.

D. A column can be removed only if it contains no data.

E. A column that is referenced by another column in any other table cannot be dropped.

F. A column drop is implicitly committed.

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12. You own table DEPARTMENTS, referenced by views, indexes, and synonyms.
Examine this command which executes successfully:
DROP TABLE departments PURGE;
Which three statements are true? (Choose three.)

A. It will remove all views that are based on the DEPARTMENTS table.

B. It will remove the DEPARTMENTS table from the database.

C. Neither can it be rolled back nor can the DEPARTMENTS table be recovered.

D. It will drop all indexes on the DEPARTMENTS table.

E. It will remove all synonyms for the DEPARTMENTS table

F. It will delete all rows from the DEPARTMENTS table, but retain the empty table.

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13. Which three are true about scalar subquery expressions? (Choose three.)

A. They can be nested.

B. They cannot be used in the VALUES clause of an INSERT statement.

C. They cannot be used in GROUP BY clauses

D. A scalar subquery expression that returns zero rows evaluates to NULL.

E. They can be used as default values for columns in a CREATE TABLE statement

F. A scalar subquery expression that returns zero rows evaluates to zero.

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14. Which three statements about roles are true? (Choose three.)

A. Roles are assigned to users using the ALTER USER statement.

B. Privileges are assigned to a role using the GRANT statement.

C. A role is a named group of related privileges that can only be assigned to a user.

D. A single user can be assigned multiple roles.

E. Privileges are assigned to a role using the ALTER ROLE statement.

F. Roles are assigned to roles using the ALTER ROLE statement.

G. A single role can be assigned to multiple users.

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15. Table EMPLOYEES contains columns including EMPLOYEE_ID, JOB_ID and SALARY.
Only the EMPLOYEE_ID column is indexed.
Rows exist for employees 100 and 200.
Examine this statement:

Which two statements are true? (Choose two.)

A. Employees 100 and 200 will have the same SALARY as before the update command.

B. Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200.

C. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100.

D. Employees 100 and 200 will have the same JOB_ID as before the update command.

E. Employee 100 will have SALARY set to the same value as the SALARY of employee 200.

F. Employee 200 will have SALARY set to the same value as the SALARY of employee 100.

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16. Which two are true about granting object privileges on tables, views, and sequences? (Choose two.)

A. INSERT can be granted only on tables and sequences.

B. DELETE can be granted on tables, views, and sequences.

C. SELECT can be granted on tables, views, and sequences.

D. ALTER can be granted only on tables and sequences.

E. REFERENCES can be granted only on tables.

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17.

Which two will execute successfully? (Choose two.)

A. SELECT COALESCE(0, SYSDATE) FROM DUAL;

B. SELECT NVL('DATE', SYSDATZ) FROM DUAL;

C. SELECT COALESCE('DATE', SYSDATE) FROM DUAL;

D. SELECT NVL('DATE', 200) FROM (SELECT NULL AS "DATE" FROM DUAL);

E. SELECT COALESCE('DATE', SYSDATE) FRCM (SELECT NULL AS "DATE" FROM DUAL);

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18. Which two statements are true about an Oracle database? (Choose two.)

A. A table can have multiple primary keys.

B. A column definition can specify multiple data types.

C. A table can have multiple foreign keys.

D. A VARCHAR2 column without data has a NULL value

E. A NUMBER column without data has a zero value

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19. Which two statements are true about *_TABLES views? (Choose two.)

A. USER_TABLES displays all tables owned by the current user.

B. You must have ANY TABLE system privileges, or be granted object privileges on the table, to view a table in USER_TABLES.

C. All users can query DBA_TABLES successfully.

D. You must have ANY TABLE system privileges, or be granted object privileges on the table, to view a table in DBA_TABLES.

E. ALL_TABLES displays all tables owned by the current user.

F. You must have ANY TABLE system privileges, or be granted object privileges on the table, to view a table in ALL_TABLES.

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20.

Which two are true about a SQL statement using SET operators such as UNION? (Choose two.)

A. The data type group of each column returned by the second query must match the data type group of the corresponding column returned by the first query.

B. The names and number of columns must be identical for all select statements in the query.

C. The data type of each column returned by the second query must be implicitly convertible to the data type of the corresponding column returned by the first query.

D. The data type of each column returned by the second query must exactly match the data type of the corresponding column returned by the first query.

E. The number, but not names, of columns must be identical for all select statements in the query.

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21. Which three statements are true about the Oracle join and ANSI join syntax? (Choose three.)

A. The Oracle join syntax supports creation of a Cartesian product of two tables.

B. The Oracle join syntax only supports right outer joins.

C. The SQL:1999 compliant ANSI join syntax supports creation of a Cartesian product of two tables.

D. The Oracle join syntax performs less well than the SQL:1999 compliant ANSI join syntax.

E. The Oracle join syntax supports natural joins.

F. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax.

G. The SQL:1999 compliant ANSI join syntax supports natural joins.

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22. Examine the data in the EMP table:

You execute this query:

Why does an error occur?

A. An alias name must not contain space characters.

B. An alias name must always be specified in quotes.

C. An alias name must not be used in an ORDER BY clause.

D. An alias name must not be used in a GROUP BY clause.

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23. Which three queries execute successfully? (Choose three.)

A. SELECT 1 - SYSDATE - DATE '2019-01-01' FROM DUAL;

B. SELECT SYSDATE - DATE '2019-01-01' - 1 FROM DUAL;

C. SELECT SYSDATE / DATE '2019-01-01' - 1 FROM DUAL;

D. SELECT SYSDATE - 1 - DATE '2019-01-01' FROM DUAL;

E. SELECT (SYSDATE - DATE '2019-01-01') / 1 FROM DUAL;

F. SELECT 1 / SYSDATE - DATE '2019-01-01' FROM DUAL;

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24.

Examine the description of the PROMOTIONS table:

You want to display the unique promotion costs in each promotion category.
Which two queries can be used? (Choose two.)

A. SELECT DISTINCT promo_category || ' has ' || promo_cost AS COSTS FROM promotions ORDER BY 1;

B. SELECT DISTINCT promo_cost || ' in ' || DISTINCT promo_category FROM promotions ORDER BY 1;

C. SELECT promo_category DISTINCT promo_cost, FROM promotions ORDER BY 2;

D. SELECT promo_cost, promo_category FROM promotions ORDER BY 1;

E. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;

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25. Which three statements are true about views in an Oracle Database? (Choose three.)

A. A SELECT statement cannot contain a WHERE clause when querying a view containing a WHERE clause in its defining query.

B. Views have no segment.

C. Views have no object number.

D. Views can join tables only if they belong to the same schema.

E. A view can be created that refers to a non-existent table in its defining query.

F. Rows inserted into a table using a view are retained in the table if the view is dropped.

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26. Examine this statement:

On which two columns of the table will an index be created automatically? (Choose two.)

A. ORDER_ID

B. ORDER_TOTAL

C. ORDER_DATE

D. PRODUCT_ID

E. STATUS

F. SERIAL_NO

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27. Which three statements are true about GLOBAL TEMPORARY TABLES? (Choose three.)

A. GLOBAL TEMPORARY TABLE space allocation occurs at session start.

B. GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.

C. A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.

D. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.

E. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.

F. A GLOBAL TEMPORARY TABLE'S definition is available to multiple sessions.

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28. Which three statements are true about inner and outer joins? (Choose three.)

A. full outer join returns matched and unmatched rows.

B. Outer joins can be used when there are multiple join conditions on two tables.

C. A full outer join must use Oracle syntax.

D. Outer joins can only be used between two tables per query.

E. A left or right outer join returns only unmatched rows.

F. An inner join returns matched rows.

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29. Examine the description of the EMPLOYEES table:

Which statement will execute successfully, returning distinct employees with non-null first names?

A. SELECT first_name, DISTINCT last_name FROM employees WHERE first_name NULL;

B. SELECT first_name, DISTINCT last_name FROM employees WHERE first_name IS NOT NULL;

C. SELECT DISTINCT * FROM employees WHERE first_name IS NOT NULL;

D. SELECT DISTINCT * FROM employees WHERE first_name NULL;

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30. Examine the description of the PRODUCT_DETAILS table:

Which two statements are true? (Choose two.)

A. EXPIRY_DATE contains the SYSDATE by default if no date is assigned to it.

B. PRODUCT_PRICE can be used in an arithmetic expression even if it has no value stored in it.

C. PRODUCT_NAME cannot contain duplicate values.

D. EXPIRY_DATE cannot be used in arithmetic expressions.

E. PRODUCT_PRICE contains the value zero by default if no value is assigned to it.

F. PRODUCT_ID can be assigned the PRIMARY KEY constraint.

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31.

Which two statements are true about the WHERE and HAVING clauses in a SELECT statement? (Choose two.)

A. WHERE and HAVING clauses can be used in the same statement only if applied to different table columns.

B. The WHERE clause can be used to exclude rows after dividing them into groups.

C. The HAVING clause can be used with aggregating functions in subqueries.

D. The WHERE clause can be used to exclude rows before dividing them into groups.

E. Aggregating functions and columns used in HAVING clauses must be specified in the SELECT list of a query.

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32. Examine the description of the EMPLOYEES table:

Which two statements will insert a row into the EMPLOYEES table? (Choose two.)

A. INSERT INTO employees VALUES (101, 'John', 'Smith', 12000, SYSDATE);

B. INSERT INTO employees VALUES (101, 'John', 'Smith', 10, 12000, SYSDATE);

C. INSERT INTO employees (employee_id, salary, first_name, hiredate, last_name) VALUES (101, 12100, 'John', SYSDATE, 'Smith');

D. INSERT INTO employees (employee_id, first_name, last_name, salary, hiresate) VALUES ( (SELECT 101, 'John', 'Smith'. 12000, SYSDATE FROM dual) );

E. INSERT INTO employees SELECT 101, 'John', 'Smith', 12000, (SELECT SYSDATE FROM dual), 10 FROM dual;

F. INSERT INTO employees VALUES (101, 'John', ' ', 12000, SYSDATE, 10);

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33. Examine this SQL statement:

Which two are true? (Choose two.)

A. All existing rows in the ORDERS table are updated

B. The subquery is executed for every updated row in the ORDERS table.

C. The subquery is not a correlated subquery.

D. The UPDATE statement executes successfully even if the subquery selects multiple rows.

E. The subquery is executed before the UPDATE statement is executed.

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34. Which two statements are true about conditional INSERT ALL? (Choose two.)

A. Each row returned by the subquery can be inserted into only a single target table.

B. A single WHEN condition can be used for multiple INTO clauses.

C. Each WHEN condition is tested for each row returned by the subquery.

D. It cannot have an ELSE clause.

E. The total number of rows inserted is always equal to the number of rows returned by the subquery.

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35. Which two are true about unused columns? (Choose two.)

A. A query can return data from unused columns, but no DML is possible on those columns.

B. Unused columns retain their data until they are dropped.

C. The DESCRIBE command displays unused columns.

D. Once a column has been set to unused, a new column with the same name can be added to the table.

E. A primary key column cannot be set to unused.

F. A foreign key column cannot be set to unused.

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36. Which two are true about the precedence of operators and conditions? (Choose two.)

A. AND and OR have the same order of precedence in a condition.

B. Operators are evaluated before conditions.

C. NOT has a higher order of precedence than AND and OR in a condition.

D. + (addition) has a higher order of precedence than * (multiplication).

E. || has a higher order of precedence than + (addition).

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37. The STORES table has a column START_DATE of data type DATE, containing the date the row was inserted.
You only want to display details of rows where START_DATE is within the last 25 months.
Which WHERE clause can be used?

A. WHERE MONTHS_BETWEEN(SYSDATE, start_date) <= 25

B. WHERE MONTHS_BETWEEN(start_date, SYSDATE) <= 25

C. WHERE TO_NUMBER(start_date - SYSDATE) <= 25

D. WHERE ADD_MONTHS(start_date, 25) <= SYSDATE

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38. Examine this query:

Which two methods should you use to prevent prompting for a hire date value when this query is executed? (Choose two.)

A. Replace '&1' with '&&1' in the query.

B. Use the DEFINE command before executing the query.

C. Execute the SET VERIFY ON command before executing the query.

D. Store the query in a script and pass the substitution value to the script when executing it.

E. Use the UNDEFINE command before executing the query.

F. Execute the SET VERIFY OFF command before executing the query.

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39. Examine the description of the BOOKS table:

The table has 100 rows.
Examine this sequence of statements issued in a new session:
INSERT INTO books VALUES ('ADV112', 'Adventures of Tom Sawyer', NULL, NULL);
SAVEPOINT a;
DELETE FROM books;
ROLLBACK TO SAVEPOINT a;
ROLLBACK;
Which two statements are true? (Choose two.)

A. The second ROLLBACK command replays the delete.

B. The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row.

C. The first ROLLBACK command restores the 101 rows that were deleted, leaving the inserted row still to be committed.

D. The second ROLLBACK command undoes the insert

E. The second ROLLBACK command does nothing.

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40.

Which three are true about privileges? (Choose three.)

A. A combination of object and system privileges can be granted to a role.

B. All types of schema objects have associated object privileges.

C. Schema owners can grant object privileges on objects in their schema to any other user or role.

D. Only users with the DBA role can create roles.

E. Only users with the GRANT ANY PRIVILEGE privilege can grant and revoke system privileges from other users.

F. Object privileges granted on a table automatically apply to all synonyms for that table.

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41. You want to return the current date and time from the user session, with a data type of TIMESTAMP WITH TIME ZONE.
Which function will do this?

A. SYSDATE

B. CURRENT_TIMESTAMP

C. LOCALTIMESTAMP

D. CURRENT_DATE

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42. You have been tasked to create a table for a banking application.
One of the columns must meet three requirements:
1) Be stored in a format supporting date arithmetic without using conversion functions
2) Store a loan period of up to 10 years
3) Be used for calculating interest for the number of days the loan remains unpaid
Which data type should you use?

A. INTERVAL YEAR TO MONTH

B. TIMESTAMP WITH TIMEZONE

C. INTERVAL DAY TO SECOND

D. TIMESTAMP WITH LOCAL TIMEZONE

E. TIMESTAMP

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43. Which three statements are true about Structured Query Language (SQL)? (Choose three.)

A. It best supports relational databases.

B. It guarantees atomicity, consistency, isolation, and durability (ACID) features.

C. It is used to define encapsulation and polymorphism for a relational table.

D. It requires that data be contained in hierarchical data storage.

E. It is the only language that can be used for both relational and object-oriented databases.

F. It provides independence for logical data structures being manipulated from the underlying physical data storage.

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44. No user-defined locks are used in your database.
Which three are true about Transaction Control Language (TCL)? (Choose three.)

A. ROLLBACK without the TO SAVEPOINT clause undoes all the transaction's changes, releases its locks, and erases all its savepoints.

B. ROLLBACK without the TO SAVEPOINT clause undoes all the transaction's changes but does not release its locks.

C. ROLLBACK without the TO SAVEPOINT clause undoes all the transaction's changes but does not erase its savepoints.

D. ROLLBACK TO SAVEPOINT undoes the transaction's changes made since the named savepoint and then ends the transaction.

E. COMMIT ends the transaction and makes all its changes permanent.

F. COMMIT erases all the transaction's savepoints and releases its locks.

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45. Which two statements are true regarding indexes? (Choose two.)

A. An update to a table can result in updates to any or all of the table's indexes.

B. An update to a table can result in no updates to any of the table's indexes.

C. A UNIQUE index can be altered to be non-unique.

D. When a table is dropped and is moved to the RECYCLE BIN, all indexes built on that table are permanently dropped.

E. A table belonging to one user cannot have an index that belongs to a different user.

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46. Which three actions can you perform on an existing table containing data? (Choose three.)

A. Increase the width of a numeric column.

B. Add a new column as the table's first column.

C. Define a default value that is automatically inserted into a column containing nulls.

D. Change a DATE column containing data to a NUMBER data type.

E. Change the default value of a column.

F. Add a new NOT NULL column with a DEFAULT value.

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47. In your session, the NLS_DATE_FORMAT is DD-MM-YYYY.
There are 86400 seconds in a day.
Examine this result:

DATE -
-----------
02-JAN-2020
Which statement returns this?

A. SELECT TO_CHAR(TO_DATE('29-10-2019') + INTERVAL '2' MONTH + INTERVAL '4' DAY - INTERVAL '120' SECOND, 'DD-MON-YYYY') AS "date" FROM DUAL;

B. SELECT TO_CHAR(TO_DATE('29-10-2019') + INTERVAL '3' MONTH + INTERVAL '7' DAY - INTERVAL '360' SECOND, 'DD-MON-YYYY') AS "date" FROM DUAL;

C. SELECT TO_CHAR(TO_DATE('29-10-2019') + INTERVAL '2' MONTH + INTERVAL '5' DAY - INTERVAL '120' SECOND, 'DD-MON-YYYY') AS "date" FROM DUAL;

D. SELECT TO_CHAR(TO_DATE('29-10-2019') + INTERVAL '2' MONTH + INTERVAL '5' DAY - INTERVAL '86410' SECOND, 'DD-MON- YYYY') AS "date" FROM DUAL;

E. ELECT TO_CHAR(TO_DATE('29-10-2019') + INTERVAL '2' MONTH + INTERVAL '6' DAY - INTERVAL '120' SECOND, 'DD-MON-YYYY') AS "date" FROM DUAL;

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48. Which two are true? (Choose two.)

A. CONCAT joins two or more character strings together.

B. INSTR finds the offset within a character string, starting from position 0.

C. FLOOR returns the largest integer less than or equal to a specified number.

D. FLOOR returns the largest integer less than or equal to a specified number.

E. INSTR finds the offset within a string of a single character only.

F. CONCAT joins two character strings together.

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49. Which two are true about transactions in the Oracle Database? (Choose two.)

A. DML statements always start new transactions.

B. DDL statements automatically commit only data dictionary updates caused by executing the DDL.

C. A session can see uncommitted updates made by the same user in a different session.

D. A DDL statement issued by a session with an uncommitted transaction automatically commits that transaction.

E. An uncommitted transaction is automatically committed when the user exits SQL*Plus.

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50. The SALES table has columns PROD_ID and QUANTITY_SOLD of data type NUMBER.
Which two queries execute successfully? (Choose two.)

A. SELECT prod_id FROM sales WHERE quantity_sold > 55000 AND COUNT(*) > 10 GROUP BY COUNT(*) > 10;

B. SELECT prod_id FROM sales WHERE quantity_sold > 55000 GROUP BY prod_id HAVING COUNT(*) > 10;

C. SELECT COUNT(prod_id) FROM sales GROUP BY prod_id WHERE quantity_sold > 55000;

D. SELECT prod_id FROM sales WHERE quantity_sold > 55000 AND COUNT(*) > 10 GROUP BY prod_id HAVING COUNT(*) > 10;

E. SELECT COUNT(prod_id) FROM sales WHERE quantity_sold > 55000 GROUP BY prod_id;

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51.

Examine this business rule:
Each student can work on multiple projects and each project can have multiple students.
You must design an Entity Relationship (ER) model for optimal data storage and allow for generating reports in this format:

STUDENT_ID FIRST_NAME LAST_NAME PROJECT_ID PROJECT_NAME PROJECT_TASK

Which two statements are true? (Choose two.)

A. PROJECT_ID must be the primary key in the PROJECTS entity and foreign key in the STUDENTS entity.

B. STUDENT_ID must be the primary key in the STUDENTS entity and foreign key in the projects entity.

C. An associative table must be created with a composite key of STUDENT_ID and PROJECT_ID, which is the foreign key linked to the students and projects entities.

D. The ER must have a many-to-many relationship between the STUDENTS and PROJECTS entities that must be resolved into one-to-many relationships

E. The ER must have a one-to-many relationship between the STUDENTS and PROJECTS entities.

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52. Examine this partial command:

Which two clauses are required for this command to execute successfully? (Choose two.)

A. the access driver TYPE clause

B. the DEFAULT DIRECTORY clause

C. the REJECT LIMIT clause

D. the LOCATION clause

E. the ACCESS PARAMETERS clause

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53. An Oracle Database session has an uncommitted transaction in progress which updated 5000 rows in a table.
In which three situations does the transaction complete thereby committing the updates? (Choose three.)

A. when a CREATE TABLE AS SELECT statement is issued in the same session but fails with a syntax error

B. when a DBA issues a successful SHUTDOWN TRANSACTIONAL statement and the user then issues a COMMIT

C. when the session logs out successfully

D. when a CREATE INDEX statement is executed successfully in the same session

E. when a DBA issues a successful SHUTDOWN IMMEDIATE statement and the user then issues a COMMIT

F. when a COMMIT statement is issued by the same user from another session in the same database instance

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54. Which two are true about using constraints? (Choose two.)

A. NOT NULL can be specified at the column and at the table level.

B. A table can have only one PRIMARY KEY and one FOREIGN KEY constraint.

C. A FOREIGN KEY column in a child table and the referenced PRIMARY KEY column in the parent table must have the same names.

D. PRIMARY KEY and FOREIGN KEY constraints can be specified at the column and at the table level.

E. A table can have multiple PRIMARY KEY and multiple FOREIGN KEY constraints.

F. A table can have only one PRIMARY KEY but may have multiple FOREIGN KEY constraints

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55. Which two are true about queries using set operators (UNION, UNION ALL, INTERSECT and MINUS)? (Choose two.)

A. The name of each column in the first SELECT list must match the name of the corresponding column in each subsequent SELECT list.

B. None of the set operators can be used when selecting CLOB columns.

C. There must be an equal number of columns in each SELECT list.

D. Each SELECT statement in the query can have an ORDER BY clause.

E. The FOR UPDATE clause cannot be specified.

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56. The INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOICE_DATE column of data type DATE.
NLS_DATE_FORMAT is set to DD-MON-RR.
Which two are true about data type conversions involving these columns in query expressions? (Choose two.)

A. invoice_date = '15-march-2019' : uses implicit conversion

B. qty_sold BETWEEN '101' AND '110' : uses implicit conversion

C. invoice_date > '01-02-2019' : uses implicit conversion

D. qty_sold = '0554982' : requires explicit conversion

E. CONCAT (qty_sold, invoice_date) : requires explicit conversion

57 / 74

57. Examine this list of requirements for a sequence:
1. Name: EMP_SEQ
2. First value returned: 1
3. Duplicates are never permitted.
4. Provide values to be inserted into the EMPLOYEES.EMPLOYEE_ID column.
5. Reduce the chances of gaps in the values.
Which two statements will satisfy these requirements? (Choose two.)

A. CREATE SEQUENCE emp_seq START WITH 1 INCREMENT BY 1 CYCLE;

B. CREATE SEQUENCE emp_seq START WITH 1 INCREMENT BY 1 CACHE;

C. CREATE SEQUENCE emp_seq;

D. CREATE SEQUENCE emp_seq START WITH 1 INCREMENT BY 1 NOCACHE;

E. CREATE SEQUENCE emp_seq NOCACHE;

F. CREATE SEQUENCE emp_seq START WITH 1 CACHE;

58 / 74

58. Which two statements are true about the SET VERIFY ON command? (Choose two.)

A. It displays values for variables used only in the WHERE clause of a query.

B. It displays values for variables created by the DEFINE command.

C. It can be used only in SQL*Plus.

D. It displays values for variables prefixed with &&.

E. It can be used in SQL Developer and SQL*Plus.

59 / 74

59.

You execute this query:

SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE), 'MON'), 'dd "Monday for" fmMonth rrrr')
FROM DUAL;

What is the result?

A. It executes successfully but does not return any result.

B. It returns the date for the first Monday of the next month.

C. It returns the date for the last Monday of the current month.

D. It generates an error.

60 / 74

60. Which two statements are true about TRUNCATE and DELETE? (Choose two.)

A. TRUNCATE can use a WHERE clause to determine which row(s) should be removed.

B. DELETE can use a WHERE clause to determine which row(s) should be removed.

C. The result of a TRUNCATE can be undone by issuing a ROLLBACK.

D. The result of a DELETE can be undone by issuing a ROLLBACK.

E. TRUNCATE leaves any indexes on the table in an UNUSABLE state.

61 / 74

61. You start a session and execute these commands successfully:

Which two are true? (Choose two.)

A. To drop the table in this session, you must first truncate it.

B. Other sessions can view the committed row.

C. You can add a column to the table in this session.

D. You can add a foreign key to the table.

E. When you terminate your session, the row will be deleted.

62 / 74

62.

Which two are true about queries using set operators such as UNION? (Choose two.)

A. In a query containing multiple set operators, INTERSECT always takes precedence over UNION and UNION ALL.

B. An expression in the first SELECT list must have a column alias for the expression.

C. All set operators are valid on columns of all data types

D. CHAR columns of different lengths used with a set operator return a VARCHAR2 whose length equals the longest char value.

E. Queries using set operators do not perform implicit conversion across data type groups (e.g. character, numeric).

63 / 74

63. Which is true about the ROUND, TRUNC and MOD functions?

A. TRUNC(MOD(25,3),-1) is invalid.

B. ROUND(MOD(25,3),-1) is invalid.

C. ROUND(MOD(25,3),-1) and TRUNC(MOD(25,3),-1) are both valid and give the same result.

D. ROUND(MOD(25,3),-1) and TRUNC(MOD(25,3),-1) are both valid but give different results.

64 / 74

64.

Which three statements are true about a self join? (Choose three.)

A. It must be an equijoin.

B. The ON clause must be used.

C. It must be an inner join.

D. It can be an outer join.

E. The ON clause can be used.

F. The query must use two different aliases for the table.

65 / 74

65. Which two statements are true about selecting related rows from two tables based on an Entity Relationship Diagram (ERD)? (Choose two.)

A. Rows from unrelated tables cannot be joined.

B. Relating data from a table with data from the same table is implemented with a self join.

C. Implementing a relationship between two tables might require joining additional tables.

D. Every relationship between the two tables must be implemented in a join condition.

E. An inner join relates rows within the same table.

66 / 74

66.

Which two are true about global temporary tables? (Choose two.)

A. Indexes can be created on them.

B. Backup and recovery operations are available for these tables.

C. Their data is always stored in the default temporary tablespace of the user who created them.

D. If the ON COMMIT clause is transaction-specific, all rows in the table are deleted after each COMMIT OR ROLLBACK.

E. They can be created only by a user with the DBA role, but can be accessed by all users who can create a session.

F. If the ON COMMIT clause is session-specific, the table is dropped when the session is terminated.

67 / 74

67. Which two are true about external tables that use the ORACLE_DATAPUMP access driver? (Choose two.)

A. When creating an external table, data can be selected only from a table whose rows are stored in database blocks.

B. Creating an external table creates a directory object.

C. When creating an external table, data can be selected from another external table or from a table whose rows are stored in database blocks.

D. Creating an external table creates a dump file that can be used by an external table in the same or a different database.

E. Creating an external table creates a dump file that can be used only by an external table in the same database.

68 / 74

68. You need to allow user ANDREW to:
1. Modify the TITLE and ADDRESS columns of your CUSTOMERS table.
2. GRANT that permission to other users.
Which statement will do this?

A. GRANT UPDATE ON customers.title, customers.address TO andrew;

B. GRANT UPDATE (title, address) ON customers TO andrew;

C. GRANT UPDATE (title, address) ON customers TO andrew WITH GRANT OPTION;

D. GRANT UPDATE ON customers.title, customers.address TO andrew WITH ADMIN OPTION;

E. GRANT UPDATE ON customers.title, customers.address TO andrew WITH GRANT OPTION;

F. GRANT UPDATE (title, address) ON customers TO andrew WITH ADMIN OPTION;

69 / 74

69. What is true about non-equijoin statement performance? (Choose two.)

A. The BETWEEN condition always performs less well than using the >= and <= conditions.

B. The BETWEEN condition always performs better than using the >= and <= conditions.

C. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax.

D. Table aliases can improve performance.

E. The join syntax used makes no difference to performance.

70 / 74

70. Which two statements are true about Oracle synonyms? (Choose two.)

A. Any user can create a PUBLIC synonym.

B. A synonym has an object number.

C. All private synonym names must be unique in the database.

D. A synonym can be created on an object in a package.

E. A synonym can have a synonym.

71 / 74

71. You create a table named 123.
Which statement runs successfully?

A. SELECT * FROM TABLE(123);

B. SELECT * FROM "123";

C. SELECT * FROM '123';

D. SELECT * FROM '123';

72 / 74

72.

Which three are key components of an Entity Relationship Model? (Choose three.)

A. an activity

B. a table

C. a relationship

D. an attribute

E. a unique identifier

F. an entity

73 / 74

73. Examine the description of the MEMBERS table:

Examine the partial query:
SELECT city, last_name AS lname FROM members ...;
You want to display all cities that contain the string AN. The cities must be returned in ascending order, with the last names further sorted in descending order.
Which two clauses must you add to the query? (Choose two.)

A. ORDER BY 1, 2

B. ORDER BY 1, lname DESC

C. WHERE city IN ('%AN%')

D. WHERE city = '%AN%'

E. WHERE city LIKE '%AN%'

F. ORDER BY last_name DESC, city ASC

74 / 74

74. Examine this list of requirements for a sequence:
1. Name: EMP_SEQ
2. First value returned: 1
3. Duplicates are never permitted.
4. Provide values to be inserted into the EMPLOYEES.EMPLOYEE_ID column.
5. Reduce the chances of gaps in the values.
Which two statements will satisfy these requirements? (Choose two.)

A. CREATE SEQUENCE emp_seq START WITH 1 INCREMENT BY 1 CYCLE;

B. CREATE SEQUENCE emp_seq START WITH 1 INCREMENT BY 1 CACHE;

C. CREATE SEQUENCE emp_seq;

D. CREATE SEQUENCE emp_seq START WITH 1 INCREMENT BY 1 NOCACHE;

E. CREATE SEQUENCE emp_seq NOCACHE;

F. CREATE SEQUENCE emp_seq START WITH 1 CACHE;

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