db2 stored procedure example

Label:I. Description of requirements The live data in DB2 is aggregated into the summary table by day and hour. Ii. process and steps 　　The first step : Write the DB2 stored procedure. 1. Create a new SQL editor in Dbvisualizer. 2. Code: 1--/2CREATE PROCEDURE"Ncpolldata"."a

I will not talk about the concept of the stored procedure, because the search engine is more detailed and wonderful than me. I will only give an example to do more practical things. First, create a database sample and then use the following statement to create a table. Of course, you 'd better insert some data in the table. If you don't want it, you can. Call the

Introduction to the new features of MySQL 5.0 in Introduction. Simply put, I introduced the stored procedure, trigger, view, and information architecture view. I would like to thank the translator Chen Pengyi for his efforts. I hope this book will be able to talk to you like an expert, so that you can learn the required knowledge with simple questions and examples. For Introduction 　　 The new MySQL 5.0 feat

) stored procedures can be fully utilized as a security mechanism. By limiting the permissions of a stored procedure, the system administrator can restrict the data access permissions to avoid unauthorized users accessing data, this ensures data security. 2. MySQL stored procedures

most complex code. In fact Set mypara = mycomm. createparameter ("return", 2, 4)Mycomm. Parameters. append mypara Can be simplified Mycomm. Parameters. append mycomm. createparameter ("return", 2, 4) It can even be simplified and will be explained later.For stored procedures with parameters, you can only use the command object to call (it can also be called through the connection object or recordset object, but I have not tried it ). 4.

, stored procedure with (output parameter) return value: 1. create a table Create table abin5 ( Id int, Name5 VARCHAR (39) ) 2. create a stored procedure Create procedure pabin5 (out n int) BEGIN Select count (*) from abin5; END 3. test the

stored PROCEDURE creation: create procedure process name ([process parameter [,...]) [Features...] process body Here is an example: Mysql> DELIMITER // Mysql> create procedure proc1 (OUT s int) -> BEGIN -> Select count (*) INTO s FROM user; -> END -> // Mysql> DELIMITER

need to reassign the input parameter that changes the value, this method can greatly reduce the amount of code when there are multiple input and output parameters, and the value of only one input parameter changes at each call. 5. Stored procedures with return values, input parameters, and output parametersAs mentioned earlier, when you call a stored procedure,

[,...])[Features...] process body Here is an example: Mysql> DELIMITER //Mysql> create procedure proc1 (OUT s int)-> BEGIN-> Select count (*) INTO s FROM user;-> END-> //Mysql> DELIMITER; Note: (1) Here we need to note that DELIMITER // and DELIMITER; the DELIMITER means DELIMITER, because MySQL uses ";" as the Separator by default, if we do not declare a DELIMITER, the compiler treats the

The daily DBA's job is to get the SP code for analysis or transplantation to other environments. How to quickly obtain the sp ddl, DB2 provides many methods to obtain the sp ddl language for reference: 1 select routinename, text from sysibm. sysroutines; The above is obtained through the data dictionary table query, which is equivalent to the System View query acquisition method.DB2 select char (ROUTINESCHEMA, 20), CHAR (ROUTINENAME, 20), text from sy

MySQL Tutorial procedure stored procedure loop, conditional judgment instance Mysql> delimiter $$Mysql> CREATE PROCEDURE MyProc ()-> Deterministic-> BEGIN-> DECLARE counter INT DEFAULT 0;->-> Simple_loop:loop-> SET counter=counter+1;-> Select Counter;-> IF counter=10 THEN-> LEAVE Simple_loop;-> End IF;-> End LOOP

MySQL Stored procedure Instance tutorial The MySQL 5.0 version begins to support stored procedures with consistency, efficiency, security, and architecture, and this section explains how PHP manipulates MySQL stored procedures with specific examples. Instance 261: Creation of sto