Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.

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You have a Microsoft Azure SQL Data Warehouse instance. You run the following Transact-SQL statement:

The query fails to return results.

You need to determine why the query fails.

Solution: You run the following Transact-SQL statements:

Does the solution meet the goal?

A. Yes

B. No

Explanation:

To use submit_time we must use sys.dm_pdw_exec_requests table, which holds information about all requests currently or recently active in SQL Data Warehouse. It lists one row per request/query.

Label is an Optional label string associated with some SELECT query statements.

References: https://docs.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-pdw-exec-requests-transact-sql?view=aps-pdw-2016-au7