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If I use the following commands: ALTER TABLE yourtab CHANGE `$colname1` `$colname2` VARCHAR(20) NOT NULL; ALTER TABLE yourtab MODIFY `$colname1` `$colname2` VARCHAR(20) NOT NULL; ALTER TABLE yourtab CHANGE COLUMN `$colname1` `$colname2` VARCHAR(20) NOT NULL; And because I use a variable inside a loop I can change an array of column names. The challenge I'm facing is that VARCHAR or other type formats are obviously obliged. is that true? Is there a possibility to change a column name and keep the type set as the original table create settings?
