What should you do in Synapse Studio?

You have an Azure Synapse Analytics dedicated SQL pool named Pool1 and a database named DB1. DB1 contains a fact table named Table1.

You need to identify the extent of the data skew in Table1.

What should you do in Synapse Studio?
A . Connect to the built-in pool and query sysdm_pdw_sys_info.
B. Connect to Pool1 and run DBCC CHECKALLOC.
C. Connect to the built-in pool and run DBCC CHECKALLOC.
D. Connect to Pool! and query sys.dm_pdw_nodes_db_partition_stats.

Answer: D

Explanation:

Microsoft recommends use of sys.dm_pdw_nodes_db_partition_stats to analyze any skewness in the data.

Reference: https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/cheat-sheet