将Excel 文件中的数据导入 SQL Server 或 Azure SQL 数据库的方法有多种。 某些方法允许你在单个步骤中从 Excel 文件直接导入数据,其他方法要求在导入数据前,必须将 Excel 数据先导出为文本 (CSV 文件)。 本文总结了常用的方法,并提供有关更为详细的信息的链接。 本文不包括 SSIS 或 Azure 数据工厂等复杂...
AS FileTable 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 ...
CREATE TABLE 陳述式包含 REFERENCES 關鍵字,可建立兩個資料表之間的「外部索引鍵」(FK) 關聯性。 如果您使用 tempdb,請在 --REFERENCES 關鍵字前加上一對破折號進行註解。 ERD 會顯示兩個資料表之間的關聯性。 tabEmployee.DepartmentCode「子」資料行中的值受限於 tabDepartment.DepartmentCode「父」資料行中的值...
A better way to join the same table multiple times? A cursor with the name ' ' already exists. A cursor with the name 'cur1' already exists. A fatal scripting error occurred. The file specified for :r command was not found error, please help. A file activation error occurred. The phy...
even though all checks are successful.Use PowerShell commandGet-AzSqlInstanceServerTrustCertificateto check whether SQL Server mirroring endpoint certificate named<SQL_Server_Instance_Name>exists in the Azure SQL Managed Instance. If so, use PowerShell commandRemove-AzSqlInstanceServerTrustCertificateto remov...
The command cannot be processed. User response Exit the current application program and return to the operating system. Change the code page for the process and restart the application program. SQL1007NError in finding pages for an object in a table space. ...
(MCD) feature, run this command to change the database's compatibility level to AUTO. For example:ALTER DATABASE SCOPED CONFIGURATION SET DW_COMPATIBILITY_LEVEL = AUTO;Existing MCD tables will stay but become unreadable. Queries over MCD tables will return this error:Related table/view is not ...
This error can happen with both database and table space rollforward operations. When this error occurs, rollforward processing stops. User response Respond to this error in one of the following ways: Resubmit the ROLLFORWARD command, or db2Rollforward API, specifying a valid point-in-time valu...
If any resource manager reported a failure to prepare, the transaction manager sends a rollback command to each resource manager and indicates the failure of the commit to the application. Database Engine applications can manage distributed transactions either through Transact-SQL or through the data...
To avoid this, use the SERIALIZABLE or HOLDLOCK hint, or row versioning. For more information, see Table Hints (Transact-SQL). Missing one or more rows that were not the target of update When you are using READ UNCOMMITTED, if your query reads rows using an allocation order scan (using ...