| 数値型 | 最小値 | 最大値 |
| tinyint | -128 | 127 |
| tinyint(unsigned) | 0 | 255 |
| smallint | -32768 | 32767 |
| smallint(unsigned) | 0 | 65535 |
| mediumint | -8388608 | 8388607 |
| mediumint(unsigned) | 0 | 16777215 |
| int | -2147483648 | 2147483647 |
| int(unsigned) | 0 | 4294967295 |
| bigint | -9223372036854775808 | 9223372036854775807 |
| bigint(unsigned) | 0 | 18446744073709551615 |
| decimal | decimal(整数の桁数,小数点の桁数)で指定。 | |
| 日付型 | 最小値 | 最大値 |
| date | 1000-01-01 | 9999-12-31 |
| datetime | 1000-01-01 00:00:00 | 9999-12-31 23:59:59 |
| time | -838:59:59 | 838:59:59 |
| timestamp | 1970-01-01 00:00:00 | 2037-12-31 23:59:59 |
| year(yyyy) | 1901 | 2155 |
| year(yy) | 1970 | 2069 |
| 文字列型 | 最小値 | 最大値 |
| char | 255 Byte | |
| varchar | 255 Byte | |
| tinytext | 255 Byte | |
| text | 65535 Byte | |
| mediumtext | 16777215 Byte | |
| longtext | 4294967295 Byte | |
| enum(data1,data2,… | 65535個 | |
| set(data1,data2,… | 64セット | |