SELECT and PROJECT Quiz with Answers PDF Download – Test 97

The selection condition of SELECT operator is considered as

1. column expression
2. row expression
3. string expression
4. Boolean expression

The step of high level conceptual models designing in which the data requirements are documented by interviewing database users is

1. host server analysis
2. requirement collection and analysis
3. client server analysis
4. entity attribute analysis

The concatenation operator in SQL which can concatenate two strings is denoted as

1. double quotation marks
2. double vertical bar
3. single vertical bar
4. triple vertical bar

In data modeling, the data constraints, data relationships and data types for the stored data are classified as

1. logical design of database
2. structure of database
3. server module of database
4. client module of database

The circles in a disk in which the information is stored are called

1. track
2. cylinder
3. sector
4. blocks