Free MCQsLearn App Download - Integrity Constraints Quiz Questions and Answers PDF Download eBook p. 436
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"SQL prohibits null values in the relation schema's constraint of", integrity constraints Multiple Choice Questions (MCQ) with choices foreign key, primary key, unique key, and candidate key to study software engineering courses. Learn sql concepts and queries questions and answers with free online certification courses for top computer science schools.
Quiz on Integrity Constraints PDF Download eBook
MCQ: SQL prohibits null values in the relation schema's constraint of
- Primary key
- Foreign key
- Unique key
- Candidate key
A
MCQ: A model that can be viewed as a variant of the entity-relationship model is called
- Entity Medium Model
- Entity View Model
- Entity Data Model
- Entity Logic Model
C
MCQ: A special character prefaces DML calls, and a preprocessor, known as the
- DML compiler
- DML precompile
- DML executor
- DML pre-executor
B
MCQ: A transaction is said to have terminated if it has
- Committed
- Aborted
- Partially committed
- Both A and B
D
MCQ: To overcome the problems with conventional file processing system, we need
- Data-evaluation system
- Data-insertion system
- Data processing system
- Data storage system
C