Database Systems Practice Test 426

Database Languages MCQs (Multiple Choice Questions) PDF Download - 426

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Database Languages MCQ with Answers PDF Download: Quiz 426

MCQ 2126:

Database systems implement constraints that can be tested with minimal overhead, known as

Integrity Constraints
Declaration Constraints
Consistency Constraints
Definition Constraints

MCQ 2127:

We can drop schemas by means of

Drop schema
Define schema
Delete schema
Alter schema

MCQ 2128:

If a transaction manages to persist the database modifications despite of the system failures, it defines the

Consistency
Reliability
Durability
Quality

MCQ 2129:

The authorization type which allows deletion of data, Is known as

Insert Authorization
Delete Authorization
Read Authorization
Update Authorization

MCQ 2130:

Occurrence of deadlock is an example of

Application error
System crash
Logical error
System error

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