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  • How to change the datatype of a column in MySQL?

    @babita.dhami
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    Sometimes we need to change the data type of a column in a table. We can do this by using Modify keyword with ALTER command.

    Syntax:

    To change the data type of a column in a table, use the following syntax:

    ALTER TABLE table_name
MODIFY COLUMN column_name datatype;

    Example: Suppose you have a column "comment" as varchar in comments table and you want to change it's datatype to text then you can do this by using below command:

    ALTER TABLE comments
MODIFY COLUMN comment TEXT;

    Hope this will help you :)

    mysql alter modify change datatype of a mysql table column
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