Bitmap Indices Quiz Questions and Answers PDF - 245

MCQ 1221: The technique that modifies the has function by splitting and coalescing buckets as the database grows and shrinks is called

1. Modifiable hashing
2. Extendable hashing
3. Dynamic hashing
4. Variable hashing

MCQ 1222: Database relations can also be updated through

1. Locators
2. Cursors
3. Indices
4. Addresses

MCQ 1223: The problem that something must happen in its entirety or not at all, is known as

1. Data Isolation
2. Data Integrity
3. Data Inconsistency
4. Data atomicity

MCQ 1224: SQL includes a feature for testing whether a subquery has any

1. Attributes in results
2. Tuples in results
3. Instances in tuples
4. Relation in result

MCQ 1225: The relational algebra is known to be a

1. Procedural query language
2. Structural query language
3. Nonstructural query language
4. Operational query language