SQL Managed Instance supports creating contained database users based on Microsoft Entra identities with the syntax CREATE USER [AADUser/AAD group] FROM EXTERNAL PROVIDER. Users created this way aren't associated to server principals, even if a server principal with the same name exists in the...
string value = ""; if (openWith.TryGetValue("tif", out value)) { Console.WriteLine("For key = \"tif\", value = {0}.", value); } else { Console.WriteLine("Key = \"tif\" is not found."); } // ContainsKey can be used to test keys before inserting // them. if (!openWi...
(item); } } private static void ChangedHandler(object source, DinosaursChangedEventArgs e) { if (e.ChangeType==ChangeType.Replaced) { Console.WriteLine("{0} was replaced with {1}", e.ChangedItem, e.ReplacedWith); } else if(e.ChangeType==ChangeType.Cleared) { Console.WriteLine("The ...
SET XACT_ABORT ON BEGIN TRY BEGIN TRAN -- your code goes here COMMIT TRAN END TRY BEGIN CATCH TRAN_ABORT DECLARE @err AS INT SET @err = @@error IF @err = <error id 1> BEGIN -- Handle error 1 END ELSE IF @err = <error id 2> BEGIN -- Handle error 2 END -- ... other ...
图2.2 连接到SQL Server 2005服务器 2.1.3 使用Management Studio创建数据库 使用SQL Server 2005,首先需要创建数据库。使用Management Studio可以很方便地创建一个数据库。这里以创建一个Example数据库为例,简单说明其创建过程。 在Management Studio中的对象资源管理器中,右键单击数据库,在弹出菜单中选择“新建数据库”...
SQL Kopiera IF DATENAME(weekday, GETDATE()) IN (N'Saturday', N'Sunday') SELECT 'Weekend'; ELSE SELECT 'Weekday'; For more examples, see ELSE (IF...ELSE) (Transact-SQL).Examples: Azure Synapse Analytics and Analytics Platform System (PDW)The following example uses IF...ELSE to ...
string value = ""; if (openWith.TryGetValue("tif", out value)) { Console.WriteLine("For key = \"tif\", value = {0}.", value); } else { Console.WriteLine("Key = \"tif\" is not found."); } // ContainsKey can be used to test keys before inserting // them. if (!openWi...
string value = ""; if (openWith.TryGetValue("tif", out value)) { Console.WriteLine("For key = \"tif\", value = {0}.", value); } else { Console.WriteLine("Key = \"tif\" is not found."); } // ContainsKey can be used to test keys before inserting // them. if (!openWi...
Transact-SQL language reference for IF-ELSE statements to provide control flow in Transact-SQL statements.
为了使用CASE表达式演示一个表,我将使用清单1中的脚本创建一个名为MyOrder的示例表。如果您想要跟随我的示例并在您的SQL服务器实例上运行它们,您可以在您选择的数据库中创建此表。 清单1:创建样例表MyOrder Using a Simple CASE expression with WHEN and ELSE expressions ...