一:ORA-01747: user.table.column, table.column 或列说明无效(该条命令可以查询对应的表中的那些列是采用了关键字的)
select * from v$reserved_words where keyword in( select COLUMN_NAME from all_tab_columns where table_name = 'EMP' and owner='TEST' );
select * from v$reserved_words where keyword in( select COLUMN_NAME from all_tab_columns where table_name = 'EMP' and owner='TEST' );