可以选择使用`PRAGMA EXCEPTION_INIT`来初始化异常,指定异常代码(`error_code`)。2. 在需要抛出异常的地方使用`RAISE`语句。 RAISE custom_exception_name;复制代码 或者,可以在抛出异常时指定异常消息: RAISE_APPLICATION_ERROR(error_code, 'error_message');复制代码 其中,`error_code`是异常代码,`error_message`...
0) total_space FROM dba_data_files ORDER BY tablespace_name; /*查看表空间的使用情况*/ s...
RAISE_APPLICATION_ERROR ( num=> -20107, msg=> 'Duplicate customer or order ID'); END order_info_insert; / 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. Example 12-10 FORALL ...
Example:禁止在周四,周五修改emp表数据 CREATE OR REPLACE TRIGGER emp_trigger BEFORE UPDATE OR DELETE OR INSERT ON emp BEGIN IF to_char(sysdate,'day') IN ('星期四','星期五') THEN RAISE_APPLICATION_ERROR(-20008,'不允许在周四周五修改emp表'); END IF; END; update emp set sal=800; 这里建立...
RAISE_APPLICATION_ERROR(-20500, 'You may modify EMPLOYEES table only on weekdays.'); ENDIF; END; -- row级before trigger CREATEORREPLACETRIGGERrestrict_salary BEFOREINSERTORUPDATEOFsalaryONemployees FOREACH ROW BEGIN IFNOT(:NEW.job_idIN('AD_PRES','AD_VP'))AND:NEW.salary > 15000THEN ...
raise_application_error(-20001,'该用户不允许登录',false); ---抛出自定义的错误 end if; end; 注意:AFTER LOGON ON DATABASE触发器对有DBA权限的用户不起作用。 2.2测试 SQL> conn dave/dave@dave; ERROR: ORA-00604: error occurred at recursive SQL level 1 ORA...
internal error is raised when this check fails.Row ORA-600 [6856] “Corrupt Block When Freeing a Row SlotORA-600[13011] During a delete operation we are deleting from a view via an instead-of trigger or an Index organized table and have exceeded a 5000 pass count when we raise ...
RAISE_APPLICATION_ERROR(-20500, 'You may modify EMPLOYEES table only on weekdays.'); ENDIF; END; -- row级before trigger CREATEORREPLACETRIGGERrestrict_salary BEFOREINSERTORUPDATEOFsalaryONemployees FOREACH ROW BEGIN IFNOT(:NEW.job_idIN('AD_PRES','AD_VP'))AND:NEW.salary > 15000THEN ...
SQL>createorreplaceprocedureprovizia(numinnumber)is2com_pct employees.commission_pct%type;3l_err exception;4begin5selectcommission_pct6intocom_pct7fromemployees8whereemployee_id=num;910if com_pct>0.35andprax(num)<15then11raise l_err;12endif;1314exception15whenl_errthen16raise_application_error(-20...
RAISE_APPLICATION_ERROR(-20001,SQLERRM); END SHOW_RELUCTANT_STUDENTS; END P1; / CREATE PROCEDURE STUDENT_ADMIN.SHOW_RELUCTANT_STUDENTS AS SELECT FNAME+'' +LNAME+', social security number'+ SSN+' is not enrolled in any classes!' FROM STUDENT_ADMIN.STUDENT S WHERE NOT EXISTS (SELECT 'X' ...