Is it possible to drop the primary key in a table?
Is it possible to drop the primary key in a table? You can drop the primary key, or not drop the primary key. If you want a primary key that only includes one column, you can drop the existing primary key on 3 columns and create a new primary key on 1 column. In case you have composite primary key, do like this- ALTER TABLE table_name DROP PRIMARY KEY,ADD PRIMARY KEY (col_name1, col_name2); Why does my Ford van not start when I drop the key? These have a new type of chip, that is on all french vehicles and the...