而存储过程(Stored Procedure),则像是一个小型的工作流程,里面可能包含了多个步骤,判断,甚至是循环,更像是一个小型工厂,原材料进去,经过一系列加工后出来的可能是各种异构的产品。存储过程不仅能接受输入,处理数据,还能返回零个、一个或多个结果。而且它还特别聪明,因为可以根据不同的情况执行不同的逻辑。 说到这,...
Enter value for no1:5 Enter value for no2:5 Sum of two nos=10 PL/SQL procedure successfully created. With this, now we know how to define and use a stored procedure in PL/SQL and how to define a function and use the function in PL/SQL. ...
i wish to display my parameter if is not null, and if the parameter is null, i wish to display '0' for it... all this is in my stored procedure, how can i make it?? as i know, it can use the ISNULL for the ms sql, but it doesnt work for mysql... ...
1 ALTER PROCEDURE [dbo].[sp_GetLaborHourPerDayEmployee](@au_Date DATETIME, @au_employeeID VARCHAR(30)) 2 -- Add the parameters for the stored procedure here 3 AS 4 BEGIN 5 -- SET NOCOUNT ON added to prevent extra result sets from 6 -- interfering with SELECT statements. 7 SET NOCOU...
Execute the sp_refreshsqlmodule stored procedure after modifying any object that is specified in the definition of the function. For more information and performance considerations about inline table-valued functions (inline TVFs) and multi-statement table-valued functions (MSTVFs), see Create user-...
b,不能指定参数的IN、OUT或INOUT修饰符,所有参数隐式的为IN c,Function体必须包含RETURN语句来终结Function执行并返回指定的结果给调用者 5. http://dev.mysql.com/doc/refman/5.0/en/stored-program-restrictions.html Some of the restrictions noted here apply to all stored routines; that is, both to st...
All of the stored functions shown in this section take string representations of GTID sets as arguments, so GTID sets must always be quoted when used with them. This function returns nonzero (true) if two GTID sets are the same set, even if they are not formatted in the same way: ...
This section provides examples of stored functions (see Chapter 27, Stored Objects) which you can create using some of the built-in functions provided by MySQL for use with GTID-based replication, listed here: GTID_SUBSET(): Shows whether one GTID set is a subset of another. GTID_SUBTRACT...
SQL_BRC_PROCEDURES = Row counts, if any, are available when a batch is executed in a stored procedure. If row counts are available, they can be rolled up or individually available, depending on the SQL_BRC_ROLLED_UP bit.SQL_BRC_EXPLICIT = Row counts, if any, are available when a ...
1) Have a procedure where I can CALL myStoredProcedure('offense_name'); 2) The procedure pulls the latitude and longitudes 3) Those lat longs are turned into Points 4) A functions checks whether each point is in a specified polygon or not. So, I ditched the cursor and loop. Th...