CHAR(M) A fixed-length string between 1 and 255 characters in length(for example, CHAR(5)), right-padded with spaces to the specified length when stored.
The code has a fixed length of 19 characters and has the form YYYYJJJJJVVVVMPPPPA where YYYY is the four-digit year of the reference and JJJJJ is a code indicating where the reference was published.
固定长度的表会更快.
(7)Fixed-length tables are faster.
CHAR是可变长度的,而VARCHAR是固定长度的。
VARCHAR is variable-length, CHAR is fixed length.
MyISAM表可以包含动态或静态(固定长度)行。
MyISAM tables can contain either dynamic or static(fixed-length) rows.
字节为最大长度(固定长度的二进制数据).
Maximum length of 8,000 bytes(Fixed-length binary data).
最多包含4,000个字符的固定长度Unicode数据类型。
Fixed-length Unicode data with a maximum length of 4000 characters.
固定长度的Unicode数据,最大长度为4,000个字符。
Fixed-length Unicode data with a maximum length of 4000 characters.
长度:5.8米/6米/11.8米/12米或客户要求的任何固定长度。
Length: 5.8m/ 6m/ 11.8m/ 12m or any fixed length as per customer request.
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