CREATEEXTERNALDATASOURCE[external_data_source_name]WITH( LOCATION = N'oracle://XE', CREDENTIAL = [OracleCredentialTest], CONNECTION_OPTIONS = N'TNSNamesFile=C:\Temp\tnsnames.ora;ServerName=XE'); B. 创建外部数据源以通过 PolyBase 连接引用 SQL Server 命名实例 ...
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。
data_source_name Specifies the user-defined name for the data source. The name must be unique within the database in SQL Server. LOCATION = '<prefix>://<path[:port]>' Provides the connectivity protocol and path to the external data source. Expand table External Data SourceConnector locatio...
Create an External Data Source and External Objects Add an External Data Source In a real production system, you would use Salesforce Connect to access data in a back-end system, such as SAP or Microsoft SharePoint. In this task, you connect to a sample data source running...
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 ...
CreateDatabaseEncryptionKeyStatement CreateDatabaseStatement CreateDefaultStatement CreateEndpointStatement CreateEventNotificationStatement CreateEventSessionStatement CreateExternalDataSourceStatement CreateExternalDataSourceStatement 建構函式 方法 CreateExternalFileFormatStatement CreateExternalLanguageStatement Creat...
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 =...
ALTER ANY EXTERNAL DATA SOURCE ALTER ANY EXTERNAL FILE FORMAT(仅适用于 Hadoop 和 Azure 存储外部数据源) CONTROL DATABASE(仅适用于 Hadoop 和 Azure 存储外部数据源) 请注意,在CREATE EXTERNAL TABLE命令中使用的 DATABASE SCOPED CREDENTIAL 中指定的远程登录名必须具有对 LOCATION 参数中指定的外部数据源的路径...
ALTER ANY EXTERNAL DATA SOURCE ALTER ANY EXTERNAL FILE FORMAT(仅适用于 Hadoop 和 Azure 存储外部数据源) CONTROL DATABASE(仅适用于 Hadoop 和 Azure 存储外部数据源) 请注意,在CREATE EXTERNAL TABLE命令中使用的 DATABASE SCOPED CREDENTIAL 中指定的远程登录名必须具有对 LOCATION 参数中指定的外部数据源的路径...
ALTER ANY EXTERNAL DATA SOURCE ALTER ANY EXTERNAL FILE FORMAT 通常需要具有列出文件夹内容和向 LOCATION 文件夹写入内容的权限才能使用 CETAS。 在Azure Synapse Analytics 和 Analytics Platform System 中,写入权限能读写 Hadoop 集群上或 Azure Blob 存储中的外部文件夹。