RAID MCQs (Multiple Choice Questions) PDF Download - 334

The RAID level that refers to disk arrays with block level striping is named to be

1. RAID level 0
2. RAID level 1
3. RAID level 2
4. RAID level 3

The term that means each attribute name has a unique meaning in the database, is known as

1. Unique-entity assumption
2. Unique-role assumption
3. Unique-key assumption
4. Unique-approach assumption

The cube construct is very much like the rollup construct, except that rollup generates

1. fewer having by queries
2. large having by queries
3. fewer group by queries
4. large group by queries

For every attribute in SQL by default, a null value as a result is a

1. Illegal value
2. Legal value
3. Atomic value
4. Convertible value

The process of taking a collection of values and returning a single value as a result, is called

1. Comparative function
2. Associate function
3. Aggregate function
4. Embedded function