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Oracle 1z0-063 Exam With Confidence Using Practice Dumps

Exam Code:
1z0-063
Exam Name:
Oracle Database 12c: Advanced Administration
Certification:
Oracle Other Certification
Vendor:
Oracle
Questions:
276
Last Updated:
Apr 3, 2025
Exam Status:
Stable
Oracle 1z0-063

1z0-063: Oracle Other Certification Exam 2025 Study Guide Pdf and Test Engine

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Oracle Database 12c: Advanced Administration Questions and Answers

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Question 1

Automatic Shared Memory Management (ASMm) is enabled for your database instance, but parameters for the managed components are not defined.

You execute this command:

SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M;

Which statement is true?

Options:

A.

The minimum size for the standard buffer cache is 100 MB.

B.

The maximum size for the standard buffer cache is 100 MB.

C.

The minimum space guaranteed in the buffer cache for any server process is 100 MB.

D.

The maximum space in the buffer cache that can be released for dynamic distribution is 100 MB.

E.

The minimum size for all buffer caches is 100 MB.

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Question 2

Which two statements are true about a common user? (Choose two.)

Options:

A.

A common user connected to a pluggable database (PDB) can exercise privileges across other PDBs.

B.

A common user with the CREATE USER privilege can create other common users, as well as local users.

C.

A common user can be granted only a common role.

D.

A common user can have a local schema in a PDB.

E.

A common user always uses the global temporary tablespace that is defined at the CDB level as the default temporary tablespace.

Question 3

Examine the parameters for your database instance:

NAME TYPE VALUE

------------------------------------------------

optimizer_adaptive_reporting_only boolean FALSE

optimizer_capture_sql_plan_baselines boolean FALSE

optimizer_dynamic_sampling integer 2

optimizer_features_enable string 12.1.0.1

Which three statements are true about the process of automatic optimization by using statistics feedback? (Choose three.)

Options:

A.

The optimizer automatically changes a plan during subsequent execution of a SQL statement if there is a huge difference in optimizer estimates and execution statistics.

B.

The optimizer can re optimize a query only once using cardinality feedback.

C.

The optimizer enables monitoring for cardinality feedback after the first execution of a query.

D.

The optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn statistics are enabled.

E.

After the optimizer identifies a query as a re-optimization candidate, statistics collected by the collectors are submitted to the optimizer.

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