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mysql判断字段是否存在的方法_MySQL

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Release: 2016-06-01 13:26:05
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bitsCN.com 1. desc 命令
格式: desc tablename columnname

例子:
desc `table` `mid`
desc `table` '%abc%'

2. show columns 命令
格式: show columns from tablename like columnname
例子:
show columns from `table` like 'mid'
show columns from `table` like '%abc%'

3. describe 命令
格式: describe tablename columnname
describe 相

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