I am busy studying MySQL and I understand that update is used to update a record or row in a table. So what does alter do that is so different? Seems like they are the same.
Thanks, any help will be appreciated.
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I am busy studying MySQL and I understand that update is used to update a record or row in a table. So what does alter do that is so different? Seems like they are the same.
Thanks, any help will be appreciated.
ALTERis a DDL (Data Definition Language) statement. WhereasUPDATEis a DML (Data Manipulation Language) statement.ALTERis used to update the structure of the table (add/remove field/index etc). WhereasUPDATEis used to update data.