Select case and cast SQL_VARIANT : SQL_VARIANT « Data Types « SQL Server / T-SQL Tutorial

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SQL Server / T-SQL Tutorial » Data Types » SQL_VARIANT 
5. 22. 5. Select case and cast SQL_VARIANT
2> SELECT
3>   CASE
4>     WHEN 1 > 1 THEN CAST(10 AS SQL_VARIANT)
5>     WHEN 1 = 1 THEN CAST('abc' AS SQL_VARIANT)
6>     WHEN 1 < 1 THEN CAST(10. AS SQL_VARIANT)
7>   END;
8> GO









































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(1 rows affected)
1>
2>
5. 22. SQL_VARIANT
5. 22. 1. sql_variant data type is designed to allow a single variable, column, or parameter to store values in different data types.
5. 22. 2. The creation of the table, with a column of the SQL_VARIANT type.
5. 22. 3. Insert different type of values into a sql_variant column
5. 22. 4. sql_variant type column
5. 22. 5. Select case and cast SQL_VARIANT
5. 22. 6. Comparing SQL_VARIANTs
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