mysql>DELIMITER//mysql>CREATEPROCEDUREproc1--name存储过程名->(INparameter1INTEGER)->BEGIN->DECLAREvariable1CHAR(10);->IFparameter1=17THEN->SETvariable1='birds';->ELSE->SETvariable1='beasts';->ENDIF;->INSERTINTOtable1VALUES(variable1);->END->//mysql>DELIMITER ; 三.MySQL存储过程的调用 用ca...
cmd.CommandType = CommandType.StoredProcedure;//指定执行类型为存储过程 DataTable dt =newDataTable(); //执行存储过程 SqlDataAdapter sda =newSqlDataAdapter(cmd); //将结果填充到datatable中 sda.Fill(dt); //return dt;//返回Datatable dataGridView1.DataSource = dt; 3.简单查询带参数 创建 create pr...
2.SQL Script Reuse: 當資料庫需給其他Developer使用時,只要將Stored Procedure給他,告訴他該Stored Procedure的用法即可,不需將整個資料庫的架構解釋給他聽。 3.安全性: 當資料庫需給其他Developer使用時,不需開放整個Table的讀取或寫入權限,只需開放Stored Procedure的使用權限即可,因此對權限可以有較嚴謹控制。 4....
--1、 不带参数的存储过程:创建一个存储过程,查看所有读者的姓名、可借本数、可借天数和已借书本数。 create procedure usp_selelctReader as select rdName,canLendQty,canLendDay,rdBorrowQty from Reader, ReaderType where Reader.rdType=ReaderType.rdType --测试执行 exec usp_selelctReader 1. 2. 3. ...
the return value of a stored procedure is actually one of the parameters which has the type Return. there are also input and output parameters. just like the return parameter, output parameters are only valid after all result sets are read. if using a data reader, you need to read all ...
(table ="cleanData", connectionString = conStr) # A transformation function transformFunc <- function(data) { data$CRSDepHour <- as.integer(trunc(data$CRSDepTime)) return(data) } # The transformation variables transformVars <- c("CRSDepTime") rxDataStep(inData = dsSqls, outFile = ds...
Sign in to answer Question activity Sign in to follow questions and users Additional resources Documentation Return data from a stored procedure - SQL Server Learn how to return data from a procedure to a calling program by using result sets, output parameters, and return codes. ...
EXEC sp_procoption @ProcName = N'<stored procedure name>' , @OptionName = 'startup' , @OptionValue = 'on'; GO 在工具栏中,选择“执行”。 阻止在启动时自动执行过程 Asysadmin可以使用sp_procoption来停止在 SQL Server 启动时自动执行的过程。
Stored Procedure Syntax CREATEPROCEDUREprocedure_name AS sql_statement GO; Execute a Stored Procedure EXECprocedure_name; Demo Database Below is a selection from the "Customers" table in the Northwind sample database: CustomerIDCustomerNameContactNameAddressCityPostalCodeCountry ...
to the client. For small result sets, the results are spooled for return to the client and execution continues. If multiple suchSELECTstatements are run during the execution of the stored procedure, multiple result sets are sent to the client. This behavior also applies to nested Transact-SQL ...