说明:@@OPTIONS返回5496,接下来每行的是当前会话(Session)开启的配置选项。 当我们设置SET NOCOUNT ON,其比特值(bit value)是512,来看看@@OPTIONS值的变化,现在的值为5496+512=6008.运行如下的代码: SETNOCOUNTONDECLARE@optionsINTSELECT@options = @@OPTIONSPRINT@optionsIF( (1 & @options) = 1 )PRINT'DIS...
-- Create a gap in the identity values. DELETE products WHERE product = 'saw' GO SELECT * FROM products GO -- Attempt to insert an explicit ID value of 3; -- should return a warning. INSERT INTO products (id, product) VALUES(3, 'garden shovel') GO -- SET IDENTITY_INSERT to ON....
Specifies ISO compliant behavior of the Equals (=) and Not Equal To (<>) comparison operators when they are used withNULLvalues in SQL Server. SET ANSI_NULLS ON- Evaluates both{expression} = NULLand{expression} <> NULLasFalseif the value of{expression}isNULL. This behavior is ANSI-complia...
SQL 複製 PRINT '*** Setting ANSI_WARNINGS ON'; GO SET ANSI_WARNINGS ON; GO PRINT 'Testing NULL in aggregate'; GO SELECT a, SUM(b) FROM T1 GROUP BY a; GO PRINT 'Testing String Overflow in INSERT'; GO INSERT INTO T1 VALUES (3, 3, 'Text string longer than 20 characters'); GO...
Adding in a unique id via derived column. Adding SSIS will require downtime ? ADO NET Source has failed to acquire the connection {---} with the following error message: "Could not create a managed connection manager." Agent Job should call next step if SP returns value 1. Job should...
SQL ServerCloud 适配器必须在承载SQL Server实例的计算机上运行和访问。此cmdlet 支持以下操作模式:指定实例Windows PowerShell路径。 指定服务器对象。 指定SQL Server的目标实例的 ServerInstance 对象。Note: This cmdlet ceased to work a long time ago. It's been removed in version 22 of the module....
FORCED 適用於 SQL Server 2016 (13.x) SP2 CU14、SQL Server 2017 (14.x) CU21、SQL Server 2019 (15.x) CU6 和更新版本的組建。 注意 查詢存放區無法在 Azure SQL Database 中停用。 執行 ALTER DATABASE [database] SET QUERY_STORE = OFF 會傳回警告 'QUERY_STORE=OFF' is not supported in ...
An explicit value for the identity column in table 'AdventureWorks2022.dbo.Tool' can only be specified when a column list is used and IDENTITY_INSERT is ON. 將IDENTITY_INSERT 設定為 ON。 SQL 複製 SET IDENTITY_INSERT dbo.Tool ON; GO 嘗試插入 3 的明確標識碼值。 SQL 複製 INSERT INTO...
“Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source nam...
The value was not set for key 'KeyName' because the total size of keys and values in the session context would exceed the 1 MB limit. Resolution This issue is fixed in the following cumulative update for SQL Se...