I can open another instance of the server and that shows it is running but still has the old columns listed in the Schema. There is around 4 KB/s Traffic but no read or writes, InnoBuffer usage is at 99.9% which should be around 30GB, CPU is between 1.5 and 2. However in the Action/Respose window at the bottom of the Query window that row is showing 'Running.' and the icon is that spinning/thinking animation you expect. The ALTER TABLE DROP COLUMN statement allows you to delete a column from. I know that for a single constraint, the command is following: ALTER TABLE tblApplication DROP CONSTRAINT constraint1name However, when I try. In some cases, we may want to remove a single column or multiple columns from a table. ALTER TABLE changes the structure of a table. If the column that you want to delete has a CHECK constraint, you must delete the constraint first before removing the column. Im changing constraints in my database and I need to drop some of them. Second, specify the name of the column that you want to delete. For both, if the value is less than or equal to the maximum value currently in the column, the value is reset to the current maximum column value plus one. When I check the Server Status on the Administration panel it is telling me that the Server has 'Stopped'. To do this, you use the ALTER TABLE DROP COLUMN statement as follows: First, specify the name of the table from which you want to delete the column. The DROP INDEX statement only finishes after all transactions. ALTER TABLE tblname DROP INDEX name The table remains available for read and write operations while the index is being dropped. DROP INDEX name ON table Press CTRL+C to copy. It's a large table 30GB / 8560000 rows, large for what i have experience with anyway, local instance on an old desktop computer. For details, see Section 15.12.8, Online DDL Limitations. It has been running for close to 20 hours now. Simple code, ALTER TABLE database_name.table_name I am in the process of removing 4 columns from my (MySQL/innodb) table,
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