In a relational database, which metadata specifies the permitted values and type of a column?
Options
- A. Data definition
- B. Transaction log
- C. Query result
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
A. Data definition
Detailed Explanation
- Data definition: Defines the structure and properties of database columns.
- Data types such as INTEGER, VARCHAR and DATE specify the kinds of values a column can store.
- Constraints can further restrict permitted values.