Purpose of Database Systems Quiz Questions and Answers PDF - 21

MCQ 101: The data values stored in the database must satisfy certain types of

1. Data constraints
2. Consistency constraints
3. Type constraints
4. Format constraints

MCQ 102: The relational model has reigned supreme among other data models, over the period

1. 1950s
2. 1960s
3. 1970s
4. 1980s

MCQ 103: Any tuple in the relation must correspond to values of the primary key attributes of some tuple in relation s, is said to be

1. Unique key attribute
2. Primary key attribute
3. Candidate key attribute
4. Foreign key attribute

MCQ 104: All the statements between the keywords begin atomic ...end form a/an

1. Single transaction
2. NO transaction
3. Multiple transactions
4. 2 parallel transactions only

MCQ 105: The user instructs the system to perform a sequence of operations on the database to compute the desired outcome, is known as

1. Programming language
2. Query program
3. Procedural language
4. Nonprocedural language