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How many data types and categories are available in T-SQL?

6. How many data types and categories are available in T-SQL?

1. 8
2. 9
3. 4
4. 7

Answer: D) 7

Explanation:

There are seven categories of data types in T-SQL: Exact Numeric Types, Numeric Type, Date and Time types, Unicode Character String, Binary Strings, and Character Strings.