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Database Systems Practice Tests

Database Systems Online Tests

DBMS for Competitive Exams Multiple Choice Questions (MCQ) PDF Download

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The MCQ While an DDL operation acts on or refers to the object, it is protected by: encapsulation, encryption, locking and views log with "DBMS for Competitive Exams" App Download (Free) for online degree programs. Practice dbms for competitive exams quiz questions, download Google eBook (Free Sample) for online computer engineering programs.

DBMS for Competitive Exams MCQ Quiz PDF Download: Database Systems MCQs

MCQ 1: While an DDL operation acts on or refers to the object, it is protected by

A) Encapsulation
B) Encryption
C) Locking
D) Views log

MCQ 2: Restricting data access and database activities is the responsibility of

A) Data concurrency control
B) Data access control
C) Data atomicity control
D) Data integrity control

MCQ 3: Oracle Database acquires a DDL lock on behalf of?

A) Explicit action
B) Transaction
C) Query
D) Retrieval

MCQ 4: The definition of a schema object is protected through

A) Data dictionary lock
B) Data declaration lock
C) Data definition lock
D) Data administrator lock

MCQ 5: The data dictionary cache holds data in the form of

A) Blocks
B) Buffers
C) Rows
D) Columns

Database Systems Practice Tests

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Database Management System App (Android & iOS)

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Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Computer Basics App (Android & iOS)

Computer Basics App (Android & iOS)

DataBase Management System (MCS) App (Android & iOS)

DataBase Management System (MCS) App (Android & iOS)