命令:desc user_tables;
当前用户所有的表:select table_name from user_tables;
当前用户所有视图:select view_name from user_views;
当前用户所有约束:select constraint_name from user_constraints;
命令:desc user_tables;
当前用户所有的表:select table_name from user_tables;
当前用户所有视图:select view_name from user_views;
当前用户所有约束:select constraint_name from user_constraints;