SET @Sql= N'SELECT * FROM (SELECT'+@ColumnNames+', (ROW_NUMBER() over (ORDER BY'+@OrderbyString+')) AS RowNum FROM'+@TableName+@Conditions+')T WHERE T.RowNum Between '+Cast((@CurrentPage-1)*@PageSize+1 AS NVARCHAR(10)) + ' and ' + Cast(@CurrentPage*@PageSize AS NVARCHAR(...
EXECUTE p_2 @p1 ,@p2 --注意这里没有OUTPUT SELECT @p1,@p2 --结果 --- (无列名) (无列名) NULL NULL 3 存储过程中产生了一个结果集(注: select c1 from table 在存储过程中 执行两次,其实也算是一个结果集) CREATE PROCEDURE p_3 AS SELECT 1 id,'xiaoli' name UNION SELECT 2 id,'xiaowang...
@pageCount int OUTPUT AS begin SELECT @pageCount=count(1) FROM Person.Contact;--获取总条数。并且设置@pageCount的值 WITH Contact as( select row_number() over(order by ContactID desc) as RowNumber,* from Person.Contact) SELECT * from Contact where RowNumber between @pageStart and @pageEnd...
select@maxgz=MAX(工资)from职工where仓库号=@cangkuhao select@mingz=MIN(工资)from职工where仓库号=@cangkuhao end 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. declare @maxgzint,@mingzint execute proc_sql9'wh1',@maxgz output,@mingz output ...
SELECT FirstName, LastName, Title FROM Person.Contact WHERE ContactID = ? 在ADO.NET 和 ADO 连接管理器中使用参数 ADO.NET 和 ADO 连接管理器对使用参数的 SQL 命令有特定要求: ADO.NET 连接管理器要求 SQL 命令将参数名称用作参数标记。这意味着变量可以直接映射到参数。例如,变量@varName映射到名为@pa...
## Not run: ### Example 1 ### # etl1 - reads from and write directly to the database etl1 <- function() { # The query to get the data qq <- "select top 10000 ArrDelay,CRSDepTime,DayOfWeek from AirlineDemoSmall" # The connection string conStr <- paste("Driver={ODBC Driver 13...
USEAdventureWorks2022; GOCREATEPROCEDURESales.usp_GetSalesYTD @SalesPersonNVARCHAR(50) =NULL, @SalesYTD MONEY=NULLOUTPUTASIF@SalesPersonISNULLBEGINPRINT'ERROR: You must specify a last name for the sales person.'RETURN(1)ENDELSEBEGINIF(SELECTCOUNT(*)FROMHumanResources.vEmployeeWHERE...
USEAdventureWorks2022; GOCREATEPROCEDURESales.usp_GetSalesYTD @SalesPersonNVARCHAR(50) =NULL, @SalesYTD MONEY=NULLOUTPUTASIF@SalesPersonISNULLBEGINPRINT'ERROR: You must specify a last name for the sales person.'RETURN(1)ENDELSEBEGINIF(SELECTCOUNT(*)FROMHumanResources.vEmployeeWHERELastName=@SalesPerson...
SELECT*FROMdbo.Item; 初步的 Transact-SQL 以下是 Transact-SQL 程式碼清單,可建立記憶體最佳化資料庫物件。 SQL IF EXISTS (SELECT*FROMSYS.OBJECTSWHEREOBJECT_ID=OBJECT_ID('dbo.OrderInsert'))DROPPROCEDUREdbo.OrderInsert; GO IF EXISTS (SELECT*FROMSYS.OBJECTSWHEREOBJECT_ID=OBJECT_ID('dbo.ItemInsert')...