<External_Data_Source> ::= CREATE EXTERNAL DATA SOURCE <data_source_name> WITH (TYPE = SHARD_MAP_MANAGER, LOCATION = '<fully_qualified_server_name>', DATABASE_NAME = '<shardmap_database_name>', CREDENTIAL = <credential_name>, SHARD_MAP_NAME = '<shardmapname>' ) [;] 範例 ...
可通过以下步骤在 Synapse SQL 池中创建外部表: CREATE EXTERNAL DATA SOURCE以引用外部 Azure 存储并指定应当用来访问该存储的凭据。 CREATE EXTERNAL FILE FORMAT以描述 CSV 或 Parquet 文件的格式。 基于以相同文件格式放置在数据源上的文件来CREATE EXTERNAL TABLE。
SQL CREATEEXTERNALTABLE[dbo].[Customers] ( [CustomerId] [int]NOTNULL, [Name] [nvarchar](256)NOTNULL, [RegionId] [int]NOTNULL)WITH( DATA_SOURCE = MyElasticDBQueryDataSrc, DISTRIBUTION = SHARDED([CustomerId]) ) ; 执行示例弹性数据库 T-SQL 查询 ...
EXTERNAL DATA SOURCEsqlondemanddemo,引用了公开演示存储帐户;以及 EXTERNAL DATA SOURCEnyctlc,引用了位置https://azureopendatastorage.blob.core.windows.net/nyctlc/上公开可用的 Azure 存储帐户。 SQL CREATEEXTERNALDATASOURCESqlOnDemandDemoWITH(LOCATION ='https://fabrictutorialdata.blob.core.windows.net/sampl...
[这里是你在上面步骤复制的SAS Token]'; --设置设置External Data Source CREATE EXTERNAL DATA SOURCE factory01Container WITH ( TYPE = BLOB_STORAGE, LOCATION = 'https://leisqlmi01storage.blob.core.chinacloudapi.cn/factory01', CREDENTIAL = factory01 ); --BULK 就是需要导入的CSV文件,已经保存到...
连接到lcqyvtqri1.database.chinacloudapi.cn,1433 3.创建外部表 CREATEEXTERNALTABLEdbo.OrderInfo ( OrderIDnvarchar(100)notnull, CustomerIDnvarchar(100)notnull)WITH( DATA_SOURCE=MyElasticDBQueryDataSrc) 注意:上面创建的External Table的Table Name和Table Schema,必须与Azure SQL Database: lcqyvtqri1.dat...
SelectExternal Data>New Data Source>From Database>From SQL Server. In theGet External Data – ODBC Databasedialog box, do one of the following: To import data, selectImport the source data into a new table in the current database.
CREATEEXTERNAL DATA SOURCE CloudpickerStorage_SampleDataWITH( LOCATION='wasbs://sampledata@cloudpickersa.blob.core.windows.net/', CREDENTIAL=CloudpickerCredential , TYPE=HADOOP ); 这里的参数"TYPE=HADOOP"其实耐人寻味,因为我们实际要连接的是Azure Blob Storage,而非HDFS。这隐含地说明PolyBase事实上是先支...
Note: while creating my Azure SQL DB, I’ve also created the sample databaseAdventureWorks. You can use any SQL table you wish. The next thing we need to do is initialize our Azure OpenAI model. To do so, we will use LangChain, a Python library that makes it easier to combine the ...
Create external data source Create external file format Sample TSQL commands for the same are as follows: Create a master key 复制 IF NOT EXISTS (SELECT * FROM sys.symmetric_keys) CREATE MASTER KEY Create a database scoped credential 复制 IF NOT EXISTS (SELECT * FROM sys.database_...