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Question 38 - DP-203 discussion

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You are designing an inventory updates table in an Azure Synapse Analytics dedicated SQL pool. The table will have a clustered columnstore index and will include the following columns:

You identify the following usage patterns:

Analysts will most commonly analyze transactions for a warehouse. Queries will summarize by product category type, date, and/or inventory event type.

You need to recommend a partition strategy for the table to minimize query times.

On which column should you partition the table?

A.
EventTypeID
Answers
A.
EventTypeID
B.
ProductCategoryTypeID
Answers
B.
ProductCategoryTypeID
C.
EventDate
Answers
C.
EventDate
D.
WarehouseID
Answers
D.
WarehouseID
Suggested answer: D

Explanation:

The number of records for each warehouse is big enough for a good partitioning. Note: Table partitions enable you to divide your data into smaller groups of data. In most cases, table partitions are created on a date column. When creating partitions on clustered columnstore tables, it is important to consider how many rows belong to each partition. For optimal compression and performance of clustered columnstore tables, a minimum of 1 million rows per distribution and partition is needed. Before partitions are created, dedicated SQL pool already divides each table into 60 distributed databases.

asked 02/10/2024
Mithun E
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