Now, this is exactly as Workbench would do it, only that when I type it myself it will not execute (above error message) but when I allow Workbench to execute the query it works fine. You can use the alter table MySQL command to drop a column from the table below. So I change my code to look exactly like Workbench would do itself: ALTER TABLE Database.mytable Step 3: Delete a Column From a Table in MySQL. I figure I would use the built-in right-click, drop column in the edit table so I use that and realise it uses a "drop index" as well. Error on rename of './Database/#sql-461_somerandomnumbers' to './Database/mytable' (errno: 150)" I get another error message that says "Error Code: 1025. drop column The DROP COLUMN command is used to delete a column in an existing table. sql - Help for solving drop column default value of a table error Question: I have a table and I want to drop or set the default value of one of columns. So my query looked like the following: ALTER TABLE Database.mytable No problem, just delete the foreign key as well. To drop both the foo and bar columns from. Today, I tried to delete two tables from a database and upon trying I get the error message that a "foreign key constraint fail" has occurred. Multiple columns can be dropped with a single query by simply comma separating a list of DROP COLUMN statments. This is more of a meta-question than I need actual help with but I could not find information about it elsewhere. ALTER TABLE tablename DROP COLUMN columnname END OR IF (SELECT COUNT() FROM informationschema.
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