Free Access Oracle.1Z0-082.v2023-08-24.q111 Practice Test (Page 23)

Question 106

Evaluate these commands which execute successfully:

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

A.Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ

B.Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times

C.Sequence ORD_SEQ is guaranteed not to generate duplicate numbers

D.Column 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

E.If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS

Question 107

Which three statements are true about the Oracle Data Dictionary? (Choose three.)

A.Data dictionary views are created by joins of dictionary base tables and DBA-defined tables

B.Usernames of all users including database administrators are stored in the data dictionary

C.The data dictionary is created and maintained by the database administrator

D.Views with the same name but different prefixes, such as CDB, DBA, ALL and USER, reference the same base tables from the data dictionary

E.Base tables can be queried directly

F.It is owned by the SYSTEM user

Question 108

Examine these commands:

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

A.It generates a log that contains control file entries, which can be used with normal SQL*Loader operations

B.It uses the database buffer cache to load data

C.It overwrites data in EMP with data in EMP.DAT

D.It appends data from EMP.DAT to EMP

E.It generates a sql script that it uses to load data from EMP.DAT to EMP

Question 109

Which three are types of segments in an Oracle Database? (Choose three.)

A.sequences

B.tables

C.clusters

D.stored procedures

E.undo

F.index

Question 110

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?
SELECT &&col1, &&col2

A.FROM &table
WHERE &&condition = &&cond;
SELECT &col1, &col2

B.FROM "&table"
WHERE &condition;
SELECT '&&col1', '&&col2'

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

D.FROM &table
WHERE &&condition;

E.FROM &&table
WHERE &condition;
SELECT &col1, &col2

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Question 106

Question 107

Question 108

Question 109

Question 110

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