[GENERAL] Hoow do you drop a column in a table

[Art Fore]

Using phppgadmin, I tried tropping a column in a table. I comes back to 
try DROP .. CASCADE. Went into psql and typed the following,

ALTER TABLE "MPC" DROP COLUMNG  do_not_use CASCADE
It appeared to work but did not drop the column. What is the dprocedure 
for dropping a column? an anyone point me to a document that tells 
EXACTLY how to do this? Also, how do you find out the dependencies it 
says it has? I know of none.

Art
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