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How many Chinese characters can be stored in varchar(50) in mysql

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Release: 2024-05-01 20:45:23
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The VARCHAR(50) type in MySQL can store up to 25 Chinese characters, which is affected by the character encoding. For example, 16 Chinese characters can be stored using UTF-8 encoding, and 25 Chinese characters can be stored using GBK encoding. It should be noted that the actual storage space will vary according to the data length, and excess characters will be truncated when the limit is exceeded.

How many Chinese characters can be stored in varchar(50) in mysql

How many Chinese characters can be stored in VARCHAR(50) in MySQL?

The VARCHAR(50) type can store up to 50 characters in MySQL. A Chinese character is usually a double-byte character, which takes up two bytes of storage space.

Therefore, VARCHAR(50) can store up to 25 Chinese characters.

The impact of character encoding

The difference in MySQL character encoding will affect the number of Chinese characters actually stored by VARCHAR(50). For example:

  • When using UTF-8 encoding, each Chinese character occupies 3 bytes, so VARCHAR(50) can store up to 16 Chinese characters.
  • When using GBK encoding, each Chinese character occupies 2 bytes, so VARCHAR(50) can store up to 25 Chinese characters.

Note:

  • The storage space of VARCHAR(50) is not fixed, it will change with the actual length of stored data. Variety.
  • If the stored Chinese characters exceed the VARCHAR(50) limit, MySQL will truncate the excess characters.

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