1RAISE[level]'format'[,expression[,...]][USINGoption=expression[,...]];2RAISE[level]condition_name[USINGoption=expression[,...]];3RAISE[level]SQLSTATE'sqlstate'[USINGoption=expression[,...]];4RAISE[level]USINGoption=expression[,...];5RAISE;--特殊,只能在EXCEPTION语法块中使用,重新抛出cat...
When exception2 then Sequence of statements; When others then 3、异常的抛出 由三种方式抛出异常 1. 通过PL/SQL运行时引擎 2. 使用RAISE语句 3. 调用RAISE_APPLICATION_ERROR存储过程 当数据库或PL/SQL在运行时发生错误时,一个异常被PL/SQL运行时引擎自动抛出。异常也可以通过RAISE语句抛出 RAISE exception_name...
When exception2 then Sequence of statements; When others then 3、异常的抛出 由三种方式抛出异常 1. 通过PL/SQL运行时引擎 2. 使用RAISE语句 3. 调用RAISE_APPLICATION_ERROR存储过程 当数据库或PL/SQL在运行时发生错误时,一个异常被PL/SQL运行时引擎自动抛出。异常也可以通过RAISE语句抛出 RAISE exception_name...
12 How to get exception context for a manually raised exception in PL/pgSQL? 2 How can one create a directory dynamically in PL/pgSQL? 0 How can I manage an exception generated by Postgis? 0 How to use COLUMN and TABLE options in a RAISE statement 1 How to use user defin...
CREATE OR REPLACE PROCEDURE raise_demo (inval NUMBER) IS evenno EXCEPTION; oddno EXCEPTION; BEGIN IF MOD(inval, 2) = 1 THEN RAISE oddno; ELSE RAISE evenno; END IF; EXCEPTION WHEN evenno THEN dbms_output.put_line(TO_CHAR(inval) || ' is even'); WHEN oddno THEN dbms_output.put_li...
e_sal_error是已经定义好的异常(e_sal_error exception;这句) raise e_sal_error就是抛出名字为e_sal_error的异常。
plsql raise PL/SQL is a procedural language extension for SQL in Oracle databases. It allows developers to write powerful and complex database applications by combining SQL statements with procedural constructs like loops, conditionals, and exception handling. Oneimportant feature of PL/SQL is the ...
Do the check and raise the exception if necessary If everything is fine, insert into job_dependency from job_dependency_temp There is a subtle trap here too: if you call create_job() multiple times from the same transaction, job_dependency_temp will not be empty in subsequent calls, so ...
BEGIN与END之间
1、在PL/SQL块的定义部分定义异常情况; 2、RAISE <异常情况>; 3、在PL/SQL块的异常情况处理部分对异常情况做出相应的处理。 DECLARE v_empno employees.employee_id%TYPE :=&empno; no_result EXCEPTION; --1、定义 BEGIN UPDATE employees SET salary = salary+100 WHERE employee_id = v_empno; ...