The format of the zero value for each type. : Introduction « Data Types « MySQL Tutorial






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Note that the use of these values produces warnings if the NO_ZERO_DATE SQL mode is enabled.

Data TypeZero Value
DATETIME'0000-00-00 00:00:00'
DATE'0000-00-00'
TIMESTAMP'0000-00-00 00:00:00'
TIME'00:00:00'
YEAR0000










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.