Free Practice Oracle 1Z0-082 Exam Questions 2025

Stay ahead with 100% Free Oracle Database Administration I 1Z0-082 Dumps Practice Questions

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Total 144 Questions | Updated On: Mar 26, 2025

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Question 1

Which three statements are true concerning logical and physical database structures? (Choose three.)

A : All tablespaces may have one or more data files

B : The extents of a segment must always reside in the same datafile

C : A smallfile tablespace might be bigger than a bigfile tablespace

D : A segment can span multiple data files in some tablespaces

E : A segment's blocks can be of different sizes

F : A segment might have only one extent

G : Segments can span multiple tablespaces

Answer: A,B,C

Question 2

Which compression method is recommended for Direct-Path Insert operations?

A : COLUMN STORE COMPRESS BASIC

B : COLUMN STORE COMPRESS ADVANCED

C : RON STORE COMPRESS BASIC

D : ROW STORE COMPRESS ADVANCED

Answer: C

Question 3

Which three Oracle database space management features will work with both Dictionary and Locally managed tablespaces? (Choose three.)

A : Oracle Managed Files (OMF)

B : Online table segment shrink

C : Online index segment shrink

D : Automatic data file extension (AUTOEXTEND)

E : Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR)

Answer: A,D,E

Question 4

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

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

C : 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

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

E : Sequence ORD_SEQ is guaranteed not to generate duplicate numbers

Answer: B,C

Question 5

Which two statements are true regarding the UNION and UNION ALL operators? (Choose two.)

A : Duplicates are eliminated automatically by the UNION ALL operator

B : The number of columns selected in each SELECT statement must be identical

C : The names of columns selected in each SELECT statement must be identical

D : The output is sorted by the UNION ALL operator

E : NULLS are not ignored during duplicate checking

Answer: A,B

Page: 1 / 29

Total 144 Questions | Updated On: Mar 26, 2025

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