1-- Oracle-specific
2-- all_tab_columns is a magic table listing all columns from all tables
3select table_name from all_tab_columns where column_name = 'PICK_COLUMN';
1SELECT * FROM USER_TAB_COLUMNS WHERE COLUMN_NAME = 'MY_COLUMN'; -- Connected user
2SELECT * FROM ALL_TAB_COLUMNS WHERE COLUMN_NAME = 'MY_COLUMN'; -- Other schemas
3SELECT * FROM DBA_TAB_COLUMNS WHERE COLUMN_NAME = 'MY_COLUMN'; -- All tables