Embedded SQL Multiple Choice Questions (MCQ) PDF - 236

MCQ 1176: The variable in any expression of the query is called a

1. Instant
2. Cursor
3. Attribute
4. Tuple

MCQ 1177: In entity relationship model, an entity is a

1. Object
2. Data
3. Model
4. Schema

MCQ 1178: Researchers have developed several data models to deal with the application domains, including

1. Object-based Data model
2. Semi-structured data model
3. Rational data model
4. Both A and B

MCQ 1179: The use of keywords begin atomic ...end was introduced in

1. SQL:1998
2. SQL:1999
3. SQL:2000
4. SQL:2001

MCQ 1180: Select project, and rename operations are called unary operations, because they operate on

1. One tuple only
2. One relation only
3. One attribute only
4. One instance only