Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types. Datetimes and intervals ...

SQL imposes some restrictions on referencing long-string columns. For more information about these restrictions, see your IBM documentation. specifies a varying-length column for character string data ...

CHOOSE returns the data type with the highest precedence from the set of types in the list of values. T-SQL has 30 different data types, as listed in Figure 1, in order of decreasing precedence.