Storage Structures & Diagnostics MCQs

11 MCQs — Oracle: Database Server Architecture MCQs (Page 1 of 2)

Practice Storage Structures & Diagnostics MCQs with correct answers and explanations. These questions are from the Oracle: Database Server Architecture MCQs section.

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Oracle: Database Server Architecture Subcategories

Background & Server Processes	Connections, Processing & Memory Parameters
Instance & Memory Structures	Oracle Net, Environment & Processes
Physical & Logical Storage	Storage Structures & Diagnostics

What is the default database block size in Oracle?

8 KB
2 KB
4 KB
16 KB

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In a locally managed tablespace, how are free extents tracked?

By the data dictionary tables
By the control file
By the redo logs
By bitmaps stored in the datafile headers

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What is a bigfile tablespace?

A tablespace with 1000 files
A tablespace for large users only
A tablespace made of one very large datafile
A tablespace that is read-only

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What does AUTOEXTEND ON do for a datafile?

Makes the file read-only
Deletes old data
Allows the file to grow automatically when it is full
Compresses the file

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What does the alert log contain?

Chronological messages and errors about database operations
User passwords
Table data
SQL scripts only

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What is the Automatic Diagnostic Repository (ADR)?

A backup repository
A central file-based repository for diagnostic data such as logs and traces
A table in SYSTEM
A network registry

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What do the prefixes USER_, ALL_ and DBA_ in data dictionary views mean?

Old, current, future objects
Read, write, delete privileges
Tables, indexes, views
Own objects, objects accessible to the user, and all objects in the database

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What are V$ views?

Views created by users
Static copies of tables
Views of archived data only
Dynamic performance views showing current instance and database activity

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What is Oracle ASM?

An SQL management tool
A backup tape library
A volume manager and file system for Oracle database files
A password manager

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What does Oracle RAC provide?

Several databases on one server
A backup of one instance
An SQL optimizer
Multiple instances on different servers accessing one database

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