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Why Does a SQL Job That Has Join Operations Stay in the Running State? Symptom A SQL job contains join operations. After the job is submitted, it is stuck in the Running state and no result is returned. Possible Causes When a Spark SQL job has join operations on small tables, all
Creating a DLI Table and Associating It with DCS Function This statement is used to create a DLI table and associate it with an existing DCS key. In Spark cross-source development scenarios, there is a risk of password leakage if datasource authentication information is directly configured
Inserting Data to a DCS Table Function This statement is used to insert data in a DLI table to the DCS key. Syntax Insert the SELECT query result into a table. 1 2 3 4 5 6 7 INSERT INTO DLI_TABLE SELECT field1,field2... [FROM DLI_TEST] [WHERE where_condition] [LIMIT num]
Creating a Datasource Connection with a DCS Table Creating a DLI Table and Associating It with DCS Inserting Data to a DCS Table Querying the DCS Table Parent topic: Datasource Connections
Querying the DCS Table This statement is used to query data in a DCS table. Syntax 1 SELECT * FROM table_name LIMIT number; Keywords LIMIT is used to limit the query results. Only INT type is supported by the number parameter. Example Query data in the test_redis table. 1 SELECT
