column delete code example

Example 1: alter table delete column

ALTER TABLE "table_name" DROP "column_name";

Example 2: remove columns from dataframe

df.drop('col_name',1) #1 drop column / 0 drop row

Example 3: remove a columns in pandas

DataFrame.drop(self, labels=None, axis=0, index=None, columns=None, level=None, inplace=False, errors='raise')[source]