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Database Management System Practice Test 26

# Domain Relational Calculus MCQ (Multiple Choice Questions) PDF - 26

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## Domain Relational Calculus Questions and Answers : Quiz 26

MCQ 126:

In the relational calculus, the variables are bounded with the help of

1. non-identifiers
2. non-quantifiers
3. quantifiers
4. identifiers
MCQ 127:

In the SQL environment, the collection of schemas is classified as

1. value set
2. catalog
3. initiator
4. integration
MCQ 128:

In the data file, the first record of any of the block is called

1. anchor record
2. dense record
3. non dense record
4. none of above
MCQ 129:

The weak entities and their identifying relationship in the ER diagrams are represented by

1. oval shape with double line
2. rectangle shape with double line
3. square shape with double line
4. diamond shape with double line
MCQ 130:

The memory which loses contents because of power cut is classified as

1. volatile memory
2. non volatile memory
3. random access memory
4. tertiary memory