Numeric Types Storage : Introduction « Data Types « MySQL Tutorial






  1. MySQL Tutorial
  2. Data Types
  3. Introduction
Type NameMemory Space
TINYINT1 byte
SMALLINT2 bytes
MEDIUMINT3 bytes
INT4 bytes
BIGINT8 bytes
FLOAT(M,D)4 bytes
DOUBLE(M,D)8 bytes
DECIMAL(M,D)The value of M + 2 bytes










10.16.Introduction
10.16.1.The basic datatypes
10.16.2.Date Datatypes
10.16.3.Numeric Types Storage
10.16.4.Numeric Types
10.16.5.ZEROFILL,UNSIGNED,SERIAL,SERIAL DEFAULT VALUE
10.16.6.Using Data Types from Other Database Engines
10.16.7.Data type mapping occurs at table creation time, after which the original type specifications are discarded.
10.16.8.Storage Requirements for Numeric Types
10.16.9.Storage Requirements for Date and Time Types
10.16.10.The format of the zero value for each type.