需要对 SQL Server 中数据库的CONTROL权限。 锁定 对EXTERNAL DATA SOURCE对象采用共享锁。 安全性 PolyBase 支持大多数外部数据源的基于代理的身份验证。 创建数据库范围凭据以创建代理帐户。 升级到 SQL Server 2022 从SQL Server 2022 (16.x) 开始,不再支持 Hadoop 外部数据源。 需要手动重新创建以前使用TYPE =...
CREATE EXTERNAL DATA SOURCE CONNECTION_OPTIONS 参数可能因外部数据提供程序而异。 本文根据提供程序提供有关连接选项的更多详细信息。
Overview: SQL Server 2022 Syntax for SQL Server 2022 and later Arguments Show 7 more Creates an external data source for querying using SQL Server, Azure SQL Database, Azure SQL Managed Instance, Azure Synapse Analytics, Analytics Platform System (PDW), or Azure SQL Edge. This article pro...
Hi,I am trying to set up an external data source to connect to Oracle. This works fine when I specify the Oracle hostname like "LOCATION =...
Learn more about the Microsoft.SqlServer.TransactSql.ScriptDom.CreateExternalDataSourceStatement.CreateExternalDataSourceStatement in the Microsoft.SqlServer.TransactSql.ScriptDom namespace.
SQL Server uses a database scoped credential to access non-public Azure Blob Storage or Kerberos-secured Hadoop clusters with PolyBase. To learn more, see CREATE EXTERNAL DATA SOURCE (Transact-SQL). Azure Synapse Analytics uses a database scoped credential to access non-public Azure Blob Storage...
使用BULK INSERT或OPENROWSET通过 SQL Server 或 SQL 数据库进行批量加载操作 另请参阅CREATE EXTERNAL DATA SOURCE和DROP EXTERNAL TABLE。 语法 syntaxsql复制 -- Create a new external tableCREATEEXTERNALTABLE{database_name.schema_name.table_name|schema_name.table_name|table_name} (<column_definition>[ ,...
SQL Server 2022 (16.x) and later versions support CREATE EXTERNAL TABLE AS SELECT (CETAS) to create an external table and then export, in parallel, the result of a Transact-SQL SELECT statement to Azure Data Lake Storage (ADLS) Gen2, Azure Storage Account V2, and S3-compatible object st...
Connect to a new external data source To create a new external data connection to SQL Server and import data into Excel as a table or PivotTable, do the following: ClickData>From Other Sources. Click the connection you want. ClickFrom SQL Serverto create a connection ...
CREATE EXTERNAL TABLE [dbo]。[Reject_Example] ( [Col_one]TINYINT NULL, [Col_two]VARCHAR (100) NULL, [Col_three]数值 (2,2) NULL ) WITH ( DATA_SOURCE = EDS_Reject_Row ,LOCATION = '/Read_Directory' ,FILE_FORMAT = CSV ,REJECT_TYPE = VALUE ...