1、查詢全部字段名code
select c.TABLE_NAME from all_constraints p, all_constraints c where p.table_name = 'TIME_TABLE_LAYOUT' and p.OWNER = SYS_CONTEXT('USERENV', 'CURRENT_SCHEMA') and c.OWNER = SYS_CONTEXT('USERENV', 'CURRENT_SCHEMA') and c.constraint_type = 'R' and p.CONSTRAINT_NAME = c.R_CONSTRAINT_NAME ;
2、查詢字段註釋table
select * from user_col_comments where Table_Name = '表名'