Purpose of Database Systems Quiz with Answers PDF Download – Test 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