procedure:存储过程 eg: create or replace procedure p --这儿是和plsql的区别 is cursor c is select * from emp2 for update; --v_temp c%rowtype; begin for v_temp in c loop
Stored Procedures are pre-compile objects which are compiled for first time and its compiled format is saved which executes (compiled code) whenever it is called. But Function is compiled and executed every time when it is called. For more about stor
MVC 5 调用存储过程参数配置方法-Procedure or function 'UP_***' expects parameter '@****', which was not supplied. 通过Database.SqlQuery调用SQL2016的存储过程,传入参数,返回结果集合.总是报如下错误 Msg 201, Level 16, State 4, Procedure UP_***, Line 0 [Batch Start Line 15]Procedure or function
回顾: 1.record类型 定义record类型,声明变量,保存s_dept表中id = 31部门信息 declare /* 定义record类型 */ type deptrecord is record( id number, name s_dept.name%type, r_id number ); /* 声明变量 */ var_dept deptrecord; var_id number:=&id; begin select * into var_dept from s_dept whe
--函数的创建 create function func1(dno number) return NUMBER--必须带有返回值 is v_max number;--定义返回值 begin select max(sal) into v_max--赋值 from emp where deptno= dno; RETURN v_max;--返回 end; --函数的调用,只能是表达式的一部分,不能单独调用 select * from emp where sal= func1(10); -------
Anything can be programmable with defined syntax and common lib. )) -- Add the parameters for the stored procedure here AS BEGIN -- SET NOCOUNT ON added to prevent extra result sets from -- interfering with SELECT statements. SET NOCOUNT ON; DECLARE
create or replace function function_demo RETURN emp PIPELINED as Type ref_cur_emp IS REF CURSOR RETURN emp%RowType; cur_emp ref_cur_emp; rec_emp cur_emp%RowType; begin Open cur_emp For select * from emp t; Loop fetch cur_emp InTo rec_emp; Exit When c
遇到这个问题,是因为存储过程的参数,设置默认值写错了. 错误写法 @WhiteIp NVARCHAR(MAX) NULL, Stored procedure with default parameters I wrote with parameters that are predefined They are not "predefined" logically, somewhere inside your code. But as arguments of SP they have
参考: http://blog.csdn.net/haiross/article/details/20612135 Oracle/PLSQL: ORA-06550 Learn the cause and how to resolve the ORA-06550 error message in Oracle. Description When you encounter an ORA-06550 error, the following error message will appear: OR
plsql 常用快捷键 CreateTime--2018年4月23日17:33:05 Author:Marydon 说明:这里的快捷键,不同于以往的快捷键,输入指定字符,按快捷键,可以自动替换成你所配置的指定内容 ii=INSERT INTO ins=INSERT upd=UPDATE sel=SELECT fro=FROM whe=WHERE ob=ORDER BY del=DELETE df=DELETE FROM sf=SELECT * FROM scf) FROM sffu=SELE
http://stackoverflow.com/questions/745538/create-function-through-mysqldb How can I define a multi-statement function or procedure in using the MySQLdb lib in python? Example: import MySQLdb db = MySQLdb.connect(db='service') c = db.cursor() c.execut