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Les champs des bases de donnée MySQL ont des limites quant à la quantité de caractères qu'ils peuvent emmagasiner.
Pour MySQL 4:
| CHAR( ) |
A fixed section from 0 to 255 characters long. |
| VARCHAR( ) |
A variable section from 0 to 255 characters long. |
| TINYTEXT |
A string with a maximum length of 255 characters. |
| TEXT |
A string with a maximum length of 65535 characters. |
| BLOB |
A string with a maximum length of 65535 characters. |
| MEDIUMTEXT |
A string with a maximum length of 16777215 characters. |
| MEDIUMBLOB |
A string with a maximum length of 16777215 characters. |
| LONGTEXT |
A string with a maximum length of 4294967295 characters. |
| LONGBLOB |
A string with a maximum length of 4294967295 characters. |
Source : http://www.htmlite.com/mysql003.php
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