text类型的字段Variable-length non-Unicode data in the code page of the server and with a maximum length of 231-1 (2,147,483,647) characters. When the server code page uses double-byte characters, the storage is still 2,147,483,647 bytes. Depending on the character string, the storage size may be less than 2,147,483,647 bytes.可见该字段足以存下一万个汉字
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