Online Access Free Oracle.1Z0-082.v2024-02-27.q119 Practice Test (Page 11)

1Z0-082 Exam Question 46

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

A.Table aliases can improve performance

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

C.The join syntax used makes no difference to performance

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

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

1Z0-082 Exam Question 47

Examine this command:

Which two statements are true?

A.The "to" clause containing the new file name must be specified even if Oracle Managed Files (OMF) is used.

B.DML may be performed on tables with one or more extents in this data file during the execution of this command.

C.Compressed objects in SALES01.DBF will be uncompressed In SALES02.DBF after the move.

D.It overwrites any existing file with the name SALES02.DBF.dbf in /u02 by default.

E.Tables with one or more extents in this data file may be queried during the execution of this command.

1Z0-082 Exam Question 48

Which two statements are true about the DUAL table? (Choose two.)

A.It can be accessed only by the SYS user

B.It consists of a single row and single column of VARCHAR2 data type

C.It can display multiple rows but only a single column

D.It can be used to display only constants or pseudo columns

E.It can be accessed by any user who has the SELECT privilege in any schema

F.It can display multiple rows and columns

1Z0-082 Exam Question 49

You execute this command:

During the export operation, you detach from the job by using CTRL+C and then execute this command:
Export> STOP_JOB=immediate
Are you sure you wish to stop the job ([yes]/no): yes
Which two statements are true about the job? (Choose two.)

A.It is paused and can be resumed

B.You can no longer monitor it

C.You can reattach to it and monitor it

D.It continues to run in the background

E.It terminates

1Z0-082 Exam Question 50

Examine the description of the product_details table:

Which two statements are true?

A.EXPIRY_ DATE cannot be used in arithmetic expressions.

B.PRODUCT _price contains the value zero by default if no value is assigned to it.

C.PRODUCT _ic can be assigned the PRIMARY KEY constraint.

D.PRODUCT _price can be used in an arithmetic expression even if it has no value stored in it.

E.PRODUCT_NAKE cannot contain duplicate values.

F.EXPIRY_ DATE contains the sysdate by default if no date is assigned to it.

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1Z0-082 Exam Question 46

1Z0-082 Exam Question 47

1Z0-082 Exam Question 48

1Z0-082 Exam Question 49

1Z0-082 Exam Question 50

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