Integrity Constraints MCQs with Answers PDF Download – Test 362

MCQ 1806: The constraint specification would be checked at the end of a transaction, and at:

1. Initially
2. Not at Immediate steps
3. Before transaction's start
4. Meanwhile transaction

MCQ 1807: The data models in which the individual data items of same type may have different sets of attributes, is known as:

1. Object-based Data model
2. Semi-structured data model
3. Entity relationship data model
4. Relational data model

MCQ 1808: The operational form of writing the clauses are:

1. from, then select, and then where
2. Select, then from, and then where
3. Select, then where, and then from
4. from, then where, and then select

MCQ 1809: The A2 search algorithm does an:

1. Equality comparison
2. Inequality comparison
3. No comparison
4. Nonkey comparison

MCQ 1810: When an entity in B, can be associated with any number of entities in A, the cardinality is said to be of type:

1. One-to-one
2. One-to-many
3. Many-to-one
4. Many-to-many