An alias only exists for the duration of that query. An alias is created with theASkeyword. ExampleGet your own SQL Server SELECTCustomerIDASID FROMCustomers; Try it Yourself » AS is Optional Actually, in most database languages, you can skip the AS keyword and get the same result: ...
Applies to: SQL Server 2012 (11.x) and later. Creates the new table as a FileTable. You don't specify columns because a FileTable has a fixed schema. For more information, see FileTables. column_name AS computed_column_expression An expression that defines the value of a computed column...
SERVER ROLE SERVICE CLAVE MAESTRA DE SERVICIO SYMMETRIC KEY TABLE TABLE column_constraint TABLE column_definition TABLE computed_column_definition TABLE index_option TABLE table_constraint TRIGGER USER VIEW WORKLOAD GROUP XML SCHEMA COLLECTION Copia de seguridad y restauración CREATE Intercalaciones DROP ...
For more information, see Database Mail. You can define an operator as the alias for a group of individuals. In this way, all members of that alias aren't verified at the same time. 자세한 내용은 연산자를 참조하세요. Security for SQL Server Agent ...
For more information, seeWITH common_table_expression. NO_PERFORMANCE_SPOOL Applies to: SQL Server (starting with SQL Server 2016 (13.x)) and Azure SQL Database. Prevents a spool operator from being added to query plans (except for the plans when spool is required to guarantee valid update...
适用于:SQL Server 2019(15.x)及更高版本、Azure SQL 数据库和 Azure SQL 托管实例 SQL 复制 -- Execute a resumable online index create statement with MAXDOP=1 CREATE INDEX test_idx1 ON test_table (col1) WITH (ONLINE = ON, MAXDOP = 1, RESUMABLE = ON); -- Executing the same command ...
create a linked server to Azure SQL Database, selectOther data sourcefor theServer type, and selectMicrosoft OLE DB Provider for SQL ServerorMicrosoft OLE DB Driver for SQL Serveras theProvider. Enter the logical server name in the Data source field and the database name in the Catalog ...
08001 SQL-client 無法建立 SQL 連線 CANNOT_ESTABLISH_CONNECTION,CANNOT_ESTABLISH_CONNECTION_SERVERLESS 08003 線上不存在 DELTA_ACTIVE_SPARK_SESSION_NOT_FOUND 08KD1 伺服器忙碌中 SERVER_IS_BUSY類別0A:不支援功能展開資料表 SQLSTATE描述和發出錯誤類別 0A000 不支援的功能AI...
6) Utilize SQL Server Aliases(使用SQL Server别名) SQL Server Client Network Utility allows you to create alias names for SQL Server instances. The utility also lets you associate each alias with a specific network protocol. Once you create an alias, any connections that use the aliased name wi...
DELETE 语句与 REFERENCE 约束"main_id_cons"冲突。该冲突发生于数据库"Stock"，表"db o.test_sub", column 'main_id'。语句已终止。产生这类信息的原因是，你创建了默认的外键约束。默认的就是，为了保证数据的完整性，比如有父子关系的两表。你必须先删除掉子表的数据，让父表的数据，没有子表...