Multiple choice technology databases

Which of the following data types are used in SQL?

  1. Long

  2. Date

  3. rowid

  4. all above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

SQL supports various data types including Date for date values and rowid as a pseudo-column that uniquely identifies rows. 'Long' is not a standard SQL data type (it exists in Oracle as NUMBER subtype but not as a keyword). The question tests SQL data type awareness.

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