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At the physical level a record can be described as a block of

1. Consecutive storage location
2. Random storage location
3. Standardized storage location
4. Undefined storage location

The concurrency control in which all data on a page or multiple pages will be locked simultaneously, is known to be

1. Page locking
2. Class locking
3. Object locking
4. Cluster level locking

It is possible to store time-zone information along with the time by specifying

1. time without timezone
2. date with timezone
3. time with timezone
4. date without timezone

The unique identifier field in the update log record in which the data item is written is called

1. Transaction identifier
2. New value identifier
3. Data-item identifier
4. Data-value identifier

Contemporary database systems for naming relations provide a

1. No hierarchy
2. 2 level hierarchy
3. 3 level hierarchy
4. 4 level hierarchy