//create procedure statement delimiter $$usedb $$dropprocedureifexistsinsertIntoT1Table;createprocedureinsertIntoT1Table(innumint)begindeclareiintdefault1;while(i<num) doinsertintot1(name,abstract,author,content,summary)values(uuid(),uuid(),uuid(),uuid(),uuid());seti=i+1;endwhile;end$$ call ...
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);
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 ...
Routine parameters cannot be referenced in statements prepared within the routine; seeSection 23.8, “Restrictions on Stored Programs”. The following example shows a simple stored procedure that, given a country code, counts the number of cities for that country that appear in thecitytable of the...
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。
Stored program parameters:Section 15.1.17, “CREATE PROCEDURE and CREATE FUNCTION Statements” param_markeris?as used in prepared statements for placeholders. SeeSection 15.5.1, “PREPARE Statement”. (subquery)indicates a subquery that returns a single value; that is, a scalar subquery. SeeSection...
I have a problem with the MySQL server 5.1.22 and MySQL ODBC 3.51 and 5.1 drivers and I am not able to execute any stored procedures that take inout/out parameters. My source code is very simple, void ShowBug( an_odbc_connection conn ) ...
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...
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) ...
Stored procedure name can not be with the MySQL database built-in function Chong Ming. Stored procedure parameters are generally three parts. The first part can be in, out or inout. in that the incoming parameter to the stored procedure; out that came out parameters; inout parameters can ...