Alter Table if Column Not Exist in MySQL

Alter Table if Column Not Exist in MySQL To alter the table if the column does not exist: IF NOT EXISTS( SELECT NULL FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = ‘tableName’ AND table_schema = ‘database_name’ AND column_name = ‘columnName’) THEN ALTER TABLE `TableName` ADD `ColumnName` int(1) NOT NULL default ‘0’; END IF;