Free Access Oracle.1Z0-082.v2023-08-24.q111 Practice Test (Page 7)

Question 26

You want to write a query that prompts for two column names and the WHERE condition each time it is executed in a session but only prompts for the table name the first time it is executed.
The variables used in your query are never undefined in your session.
Which query can be used?

A.SELECT &col1, &col2FROM "&table"WHERE &condition;

B.SELECT &&col1, &&col2FROM &tableWHERE &&condition;

C.SELECT '&&col1', '&&col2'FROM &tableWHERE '&&condition' = '&cond';

D.SELECT &col1, &col2FROM &&tableWHERE &condition;

E.SELECT &&col1, &&col2FROM &tableWHERE &&condition = &&cond;

Question 27

Examine this command:

Which two statements are true? (Choose two.)

A.The tablespace containing SALES1.DBF must be altered READ ONLY before executing the command.

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

C.If Oracle Managed Files (OMF) is used, then the file is renamed but moved to DB_CREATE_FILE_DEST.

D.The file is renamed and stored in the same location

E.The tablespace containing SALES1.DBF must be altered OFFLINE before executing the command.

Question 28

You execute this command:
CREATE SMALLFILE TABLESPACE sales
DATAFILE '/u01/app/oracle/sales01.dbf
SIZE 5G
SEGMENT SPACE MANAGEMENT AUTO;
Which two statements are true about the SALES tablespace? (Choose two.)

A.It is a locally managed tablespace

B.Free space is managed using freelists

C.It must be smaller than the smallest BIGFILE tablespace

D.It uses the database default blocksize

E.Any data files added to the tablespace must have a size of 5 gigabytes

Question 29

Which three statements are true about table data storage in an Oracle Database? (Choose three.)

A.Index block free space is always contiguous in the middle of the block

B.A table row piece can be chained across several database blocks

C.Multiple row pieces from the same row may be stored in different database blocks

D.Data block headers contain their own Data Block Address (DBA)

E.Data block free space is always contiguous in the middle of the block

F.Multiple row pieces from the same row may be stored in the same block

Question 30

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 promo_cost, promo_category FROM promotions ORDER BY by 1;

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

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

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

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

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Question 26

Question 27

Question 28

Question 29

Question 30

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