Set Operations MCQ (Multiple Choice Questions) PDF - 134

MCQ 666: The operation that performs the set difference, is called

1. The Intersection Operation
2. The Intersection all Operation
3. The Except Operation
4. The Union Operation

MCQ 667: Attributes from the fetched tuple are retrieved using methods whose names begin with

1. set
2. get
3. begin
4. conn

MCQ 668: A single application can have several different versions of the layer known to be

1. Presentation layer
2. Model layer
3. Business-logic layer
4. Data-access layer

MCQ 669: A single fetch request returns

1. One tuple only
2. Multiple tuples
3. One attribute only
4. Multiple attributes

MCQ 670: The synonymously used term for Query language is

1. Data Definition Language
2. Data declaration language
3. Data manipulation language
4. Data modification language