The SMALLINT data type is used to store integers that require 2 bytes of storage.
[ UNSIGNED ] SMALLINT
The SMALLINT data type is an exact numeric data type; its accuracy is preserved after arithmetic operations. It requires 2 bytes of storage.
The range for signed SMALLINT values is -215 to 215 - 1, or -32768 to 32767.
The range for unsigned SMALLINT values is 0 to 216 - 1, or 0 to 65535.
When converting a string to a SMALLINT, leading and trailing spaces are removed. If the leading character is '+' it is ignored. If the leading character is '-' the remaining digits are interpreted as a negative number. Leading '0' characters are skipped, and the remaining characters are converted to an integer value. An error is returned if the value is out of the valid range for the destination data type, if the string contains illegal characters, or if the string cannot be decoded as an integer value.
SQL/2003 Compatible with SQL/2003. The UNSIGNED keyword is a vendor extension.
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