createorreplacefunctionfn_test(c_xmvarchar)returnvarchar2asV_P1varchar(10);beginselectnameintoV_p1fromt1where1=2;--NO_DATA_FOUND,会立即跳转到exception块,不再继续执行select1/0intov_p1fromdual;--除数为0,会报错,但是这句没有机会执行了return'test'||c_xm; exceptionwhenNO_DATA_FOUNDthenreturn'没...
本文转自:http://stackoverflow.com/questions/9104153/what-is-the-correct-way-to-deal-with-this-oracle-ora-01403-no-data-found-except This leads to the familiarORA-01403: no data foundexception. I tried to change the SP so that it would return NULL record in this case - the same sort o...
使用EXCEPTION块:在PL/SQL中,可以使用BEGIN ... EXCEPTION ... END; 块来捕获并处理“no data found”异常。 检查查询条件:确保查询条件正确,并且确实应该返回数据。 使用NULL检查:对于可能返回空的情况,考虑使用SELECT INTO ... WHERE ROWNUM = 1 FOR UPDATE SKIP LOCKED语句,并检查是否返回了数据,或者改用SEL...
F_ID NUMBERNOTNULL ) 2.插入一条数据 ? 1 2 [cpp] insertintolengzijiantestvalues(1) 3.现在表里面只有一条数据,值为1; 4.写入如下命令 ? 1 2 3 4 5 6 7 8 9 10 11 12 13 [sql] DECLARE v_tmp NUMBER := 0; BEGIN SELECTf_id INTOv_tmp FROMlengzijiantest WHEREf_id = 2; EXCEPTIO...
oracle编程中 select into 语句没有记录时,会触发no_data_found异常 二,no_data_found异常解决方法 如果在一个程序块中,发生异常程序就会停止执行,报出异常。如果我们不想让程序因为这个no_data_found异常而停止执行,可以用如下方法 1)用子块来处理 把会报出no_data_found异常的select into语句放到一个子块中 ...
CREATE OR REPLACE PROCEDURE PRO_NO_DATA_FOUND(USER_ID IN INTEGER) AS V_AGE TB_USER.USER_AGE%TYPE; V_NAME TB_USER.USER_NAME%TYPE; BEGIN SELECT USER_NAME, USER_AGE INTO V_NAME, V_AGE FROM TB_USER WHERE ID=USER_ID; EXCEPTION ...
在PL/SQL程序中，通过异常来控制程序的流程是很正常的。只要出现的异常不属于功能性的或逻辑上的就没什么不好。严格地说NO_DATA_FOUND不能算异常。不过你的select1语句可以合并为一行，如下：SELECT C.INTERFACE, C.STATE INTO OUTINTERFACE,DBSTATE FROM F_TRADETRAN C WHERE C.SVRTYPE=INSVRTYPE ...
概述: Django hides exception from database with Oracle backend.→ Django hides NO_DATA_FOUND exception from database with Oracle backend. comment:3 by Mariusz Felisiak, 7年 ago Other exceptions e.g. DUP_VAL_ON_INDEX, ZERO_DIVIDE, TOO_MANY_ROWS are raised properly. in reply to: 2 ; ...
The said code in Oracle's PL/SQL when executes that displays the error message 'no matching record was found' if there are NO_DATA_FOUND exception is raised.The two variables emp_name of type VARCHAR2 that stores the first name and emp_id of type NUMBER that stores the employee ID for...
Oracle存储过程 oracle 存储过程的基本语法 1.基本结构 CREATE OR REPLACE PROCEDURE 存储过程名字 ( ...