Schema Diagrams Multiple Choice Questions (MCQ) PDF - 408

MCQ 2036: In a schema diagram representation, each relation appears in a

1. Box
2. Diamond
3. Triangle
4. Circle

MCQ 2037: The statement that starts on the next tuple, from the beginning of the loop, skipping the remaining statements, is known to be

1. Initial
2. Begin
3. Iterate
4. leave Start

MCQ 2038: SQL allows a subquery expression to be used in the

1. Select clause
2. From clause
3. Where clause
4. Define clause

MCQ 2039: Retaining duplicates is important in computing a/an

1. Average
2. Min
3. Min
4. Count

MCQ 2040: LSN stands for

1. Linear sequence number
2. Line simulator number
3. Log sequence number
4. Log simulator number