sql - Add a column if it doesn't exist to all tables? - Stack Overflow
![mysql - Delete table column if exists (SQLSTATE[42000] Syntax error or access violation) - Stack Overflow](https://i.stack.imgur.com/4ASoe.png "mysql - Delete table column if exists (SQLSTATE[42000] Syntax error or access violation) - Stack Overflow")
mysql - Delete table column if exists (SQLSTATE[42000] Syntax error or access violation) - Stack Overflow
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