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This article mainly introduces the method of changing a column data type by mysql, which is very detailed and has certain reference value. Friends who are interested must read it!

Mysql can change the data type of a column by directly executing the [alter table table name modify column column name new column type] statement.

The method of changing the data type of a column

Alter table table name modify column column name new column type

For example:

The type of column stu_name in the student table is char (20), which is now changed to varchar (20). The SQL statement is as follows:

Alter table student modify column stu_name varchar (20); this is all about mysql's method of changing a column data type. Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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