Free Oracle 1Z0-082 Exam Questions

Become Oracle Certified with updated 1Z0-082 exam questions and correct answers

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Total 144 Questions | Updated On: Jun 14, 2020

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Question 1

Examine the description of the BOOKS table:

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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 : second ROLLBACK command does nothing

B : second ROLLBACK command replays the delete

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

D : second ROLLBACK command undoes the insert

E : first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row

Answer: C,D

Question 2

Evaluate these commands which execute successfully:

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Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence? (Choose two.)

A : sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS

B : y user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ

C : lumn ORD_NO gets the next number from sequence ORD_SEQ whenever a row is inserted into ORD_ITEMS and no explicit value is given for ORD_NO

D : quence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times

E : quence ORD_SEQ is guaranteed not to generate duplicate numbers

Answer: B,C

Question 3

Which statement is true about aggregate functions?

A : gregate functions can be nested to any number of levels

B : AVG function implicitly converts NULLS to zero

C : gregate functions can be used in any clause of a SELECT statement

D : MAX and MIN functions can be used on columns with character data types

Answer: D

Question 4

View the Exhibits and examine the structure of the COSTS and PROMOTIONS tables.

You want to display PROD_IDS whose promotion cost is less than the highest cost PROD_ID in a promotion time interval.

Examine this SQL statement:

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Exhibit 1.

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Exhibit 2.

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What will be the result?

A : gives an error because the ALL keyword is not valid

B : gives an error because the GROUP BY clause is not valid

C : executes successfully but does not give the required result

D : executes successfully and gives the required result

Answer: D

Question 5

Examine the description of the employees table:

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Which query requires explicit data type conversion?

A :

B :

C :

D :

Answer: A

Page: 1 / 29

Total 144 Questions | Updated On: Jun 14, 2020

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