Can I use… smallint (column type)

The SQL type smallint is typically no shorter than a 16 big signed integer (-32768 to 32767).

CREATE TABLE table_name (
   column_name SMALLINT

Note that the SQL language has no unsigned modifier (see: domain, check).

2005200720092011201320152017201910.15.1.3Apache DerbyBigQuery09.7Db2 (LUW)1.4.191H25.1MariaDB5.0.15MySQL11gR1Oracle DB8.3PostgreSQL2008R2SQL Server3.33.01SQLite0Use int64.1Accepts character strings (generously cast or not statically typed)

  • Smallint in other places: cast target.

  • Other integer types: integer/int, bigint

  • Restricting the value range (e.g. unsigned): domain, check

  • SQL types for decimal numbers: numeric, decimal, decfloat

  • Numeric types with approximate arithmetic: float, real, double precision

  • Product specific integer types: tinyint, mediumint, int2, int4, int8, int64, unsigned, signed

Normative References

The type smallint is defined in ISO/IEC 9075:2016-2 (E011-01) with an implementation defined precision.0 The corresponding data type of the C programming language is short,1 which corresponds to the above mentioned value range.2

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ISO/IEC 9075:2016, Part 2, §6.1 <data type>, Syntax Rule 28


ISO/IEC 9075:2016, Part 2, §13.5 Data type correspondences


ISO/IEC 9899:2017, § Sizes of integer types <limits.h>

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