Sucharita Das


Stairway to Synapse Analytics

Level 2 of the Stairway to Synapse Analytics: Analyze Data in Storage Account using the Serverless SQL pool

In this second level of the Stairway to Synapse, we learn how to create external tables and query data that is stored in our data storage using the serverless pool.

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2025-06-06 (first published: )

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Stairway to Synapse Analytics

Level 3 of the Stairway to Synapse Analytics: Analyze Data Using a Spark Pool

Introduction In Level 1 of this series, I discussed Synapse Analytics basics and the steps for creation of the Synapse Workspace. In Level 2, data analysis was done on Data Lake files using Serverless SQL Pool. In Level 3, I will analyze data from the files uploaded in Data Lake container using a Spark Pool. I will […]

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2025-06-06 (first published: )

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Stairway to Synapse Analytics

Level 4 of the Stairway to Synapse Analytics: Create and Use a Delta Lake

Introduction In Level 1 of this series, I discussed Synapse Analytics basics and the steps for creating the Synapse Workspace. In Level 2, we analyzed Data Lake files using the Serverless SQL Pool. In Level 3, we analyzed Data Lake files using the Spark Pool. In Levels 4 and level 5, I will discuss the Delta […]

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2025-06-06 (first published: )

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Question of the Day

How Many Can Be the Greatest

I am trying to analyze a number of columns in a large table to determine the highest value for each row. In SQL Server 2022, we have the GREATEST function, which will return the greatest value from those columns passed in. How many columns can I include in an expression like this:

select GREATEST( col1, col2, col3, ...)

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