Explore topic-wise MCQs in Database.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Database knowledge and support exam preparation. Choose a topic below to get started.

1.

A_DATA_DICTIONARY_IS_CREATED_WHEN_A____________CREATED.?$

A. Instance
B. Segment
C. Database
D. Dictionary
Answer» D. Dictionary
2.

An_Oracle_object_type_has_two_parts_the___________and__________$

A. Instance and body
B. Segment and blocks
C. Specification and body
D. Body and segment
Answer» D. Body and segment
3.

An Oracle __________ is a set of tables and views that are used as a read-only reference about the database?

A. Database dictionary
B. Dictionary table
C. Data dictionary
D. Dictionary
Answer» D. Dictionary
4.

________ is the smallest unit of allocation in an Oracle database.

A. Database
B. Instance
C. Tablespace
D. Database Block
Answer» E.
5.

__________ is a contiguous group of blocks allocated for use as part of a table, index, and so forth.

A. Tablespace
B. Segment
C. Extent
D. Block
Answer» D. Block
6.

A tablespace is further broken down into ________

A. Tablespace
B. Segments
C. Extents
D. Blocks
Answer» C. Extents
7.

A ________ is a logical grouping of database objects, usually to facilitate security, performance, or the availability of database objects such as tables and indexes.

A. Tablespace
B. Segments
C. Extents
D. Blocks
Answer» B. Segments
8.

___________ is the collection of memory structures and Oracle background processes that operates against an Oracle database.

A. Database
B. Instance
C. Tablespace
D. Segment
Answer» C. Tablespace
9.

Relational schemas and other metadata about relations are stored in a structure called the ____________

A. Metadata
B. Catalog
C. Log
D. Data Dictionary
Answer» E.
10.

A relational database system needs to maintain data about the relations, such as the schema of the relations. This is called

A. Metadata
B. Catalog
C. Log
D. Dictionary
Answer» B. Catalog