如何在mysql中更改列的数据类型

代码示例

alter table添加列

ALTER TABLE table_name 
ADD column_name datatype;

添加新列到表mysql

ALTER TABLE `TABLE_NAME` 
	ADD `COLUMN_NAME` VARCHAR(50) NULL
    AFTER `COLUMN_NAME_AFTER`;

alter table column将数据类型更改为text mysql

ALTER TABLE tablename MODIFY columnname INTEGER;

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empty row

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empty row

在mysql中alter add column

如何在mysql中更改列的数据类型

代码示例

alter table添加列

添加新列到表mysql

alter table column将数据类型更改为text mysql

类似页面

带有示例的类似页面

其他语言

此页面有其他语言版本

受欢迎的此类别

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