How should you configure the table?

Posted by: Pdfprep Category: DP-200 Tags: , ,

HOTSPOT

You have a SQL pool in Azure Synapse.

You plan to load data from Azure Blob storage to a staging table. Approximately 1 million rows of data will be loaded daily. The table will be truncated before each daily load.

You need to create the staging table. The solution must minimize how long it takes to load the data to the staging table.

How should you configure the table? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Box 1: Hash

Hash-distributed tables improve query performance on large fact tables. hey can have very

large numbers of rows and still achieve high performance.

Incorrect:

Round-robin tables are useful for improving loading speed.

Box 2: Clustered columnstore

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.

Box 3: Date

Table partitions enable you to divide your data into smaller groups of data. In most cases, table partitions are created on a date column.

Partition switching can be used to quickly remove or replace a section of a table.

Leave a Reply

Your email address will not be published.