//create procedure statement delimiter $$usedb $$dropprocedureifexistsinsertIntoT1Table;createprocedureinsertIntoT1Table(innumint)begindeclareiintdefault1;while(i<num) doinsertintot1(name,abstract,author,content
DELIMITER//CREATEPROCEDUREinsert_into_t3_sp (INid_valuebigintunsigned)BEGINwhile(id_value<1000) doinsertintot3(id)values(id_value);setid_value=id_value+1;endwhile;END;//DELIMITER ; call insert_into_t3_sp(1);
For a FUNCTION, parameters are always regarded as IN parameters. An IN parameter passes a value into a procedure. The procedure might modify the value, but the modification is not visible to the caller when the procedure returns. An OUT parameter passes a value from the procedure back to ...
Summary: in this tutorial, we will show you how to write MySQL stored procedures with parameters. We will also give you a couple of stored procedure examples to help you understand how to use different kinds of stored procedure parameters. Introduction to MySQL stored procedure parameters Almost ...
数据字典(Data Dictionary)中存储了诸多数据库的元数据信息如图1所示,包括基本Database, table, index, column, function, trigger, procedure,privilege等;以及与存储引擎相关的元数据,如InnoDB的tablespace, table_id, index_id等。MySQL-8.0在数据字典上进行了诸多优化,本文将对其进行逐一介绍。
PARAMETERS 提供有关存储例程(存储过程和存储函数)的参数的信息,以及有关存储函数的返回值的信息。该PARAMETERS 表不包括内置SQL函数或用户定义函数(UDF) PARTITIONS 提供有关表分区的信息 REFERENTIAL_CONSTRAINTS 提供有关外键的信息 RESOURCE_GROUPS 提供对有关资源组信息的访问 ROUTINES 提供有关存储例程(存储过程和存储...
In this case, the stored procedure requires you to pass a parameter. This can be achieved using the techniques seen in the previous section on parameters,Section 4.6.1.4, “Working with Parameters”, as shown in the following code snippet: ...
Written By Posted Store Procedure and Input Parameters 4295 Bing Li August 06, 2017 02:55AM Re: Store Procedure and Input Parameters 634 Peter Brawley August 06, 2017 08:11AM Sorry, you can't reply to this topic. It has been closed....
with MyComm .ActiveConnection = MyConStr 'MyConStr是数据库连接字串 .CommandText = "getUserName" '指定存储过程名 .CommandType = 4 '表明这是一个存储过程 .Prepared = true '要求将SQL命令先行编译 if UserID = 1 then .Parameters.append .CreateParameter("@UserID",3,1,4,UserID) ...
followed by followed by the name of the stored procedure and parameters. MySQL stored procedure name is not case-sensitive, for example, PROCE1 () and proce1 () on behalf of the same name of a stored procedure. Stored procedure name can not be with the MySQL database built-in function ...