MySQL Data Types
MySQL data types and descriptions of the values they store.
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| ID | Data type | Description |
|---|---|---|
| 1 | CHAR(size) | A FIXED length string (can contain letters, numbers, and special characters). The size parameter specifies the column length in characters - can be from 0 to 255. Default is 1 |
| 2 | VARCHAR(size) | A VARIABLE length string (can contain letters, numbers, and special characters). The size parameter specifies the maximum column length in characters - can be from 0 to 65535 |
| 3 | BINARY(size) | Equal to CHAR(), but stores binary byte strings. The size parameter specifies the column length in bytes. Default is 1 |
| 4 | VARBINARY(size) | Equal to VARCHAR(), but stores binary byte strings. The size parameter specifies the maximum column length in bytes. |
| 5 | TINYBLOB | For BLOBs (Binary Large OBjects). Max length: 255 bytes |
| 6 | TINYTEXT | Holds a string with a maximum length of 255 characters |
| 7 | TEXT(size) | Holds a string with a maximum length of 65,535 bytes |
| 8 | BLOB(size) | For BLOBs (Binary Large OBjects). Holds up to 65,535 bytes of data |
| 9 | MEDIUMTEXT | Holds a string with a maximum length of 16,777,215 characters |
| 10 | MEDIUMBLOB | For BLOBs (Binary Large OBjects). Holds up to 16,777,215 bytes of data |
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Scope and sources
Last checked against sources: October 15, 2026.
Last changed: July 17, 2026. This is when we last changed the data or its description. It doesn’t mean the data runs up to that date.
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