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Merge pull request #12 from ypingcn/patch-1

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add storage bytes number for **INT** in MySQL
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CyC2018 2018-03-01 19:52:59 +08:00 committed by GitHub
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@ -98,7 +98,7 @@ MyISAM 支持全文索引，地理空间索引；
## 1. 整型 ## 1. 整型
TINYINT, SMALLINT, MEDIUMINT, INT, BIGINT 分别使用 8, 16, 24, 64 位存储空间，一般情况下越小的列越好。 TINYINT, SMALLINT, MEDIUMINT, INT, BIGINT 分别使用 8, 16, 24, 32, 64 位存储空间，一般情况下越小的列越好。
INT(11) 中的数字只是规定了交互工具显示字符的个数，对于存储和计算来说是没有意义的。 INT(11) 中的数字只是规定了交互工具显示字符的个数，对于存储和计算来说是没有意义的。