Rahul Gupta

9 years of experience in an established organization to a startup company in delivering high performance and analysis-based solutions to meet challenging business demands. As Lead Data Engineer I've led the creation of high performance data pipelines for multiple terabytes of data using Python, SQL, and open-source technologies. I have extensive experience in data architecture, cloud-based data infrastructure, ETL pipeline development, and data warehouse design.
  • Interests: Data Engineering, Cloud Based Data Infrastructure, ETL, Data Warehousing, Open source systems for data pipelines
  • Skills: SQL, Python, Linux

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Blogs

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Measuring RAG Solutions: Are We Retrieving the Right Information?

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A RAG pipeline that answers questions in the demo is not the same thing...

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Forums

Performance Regression After Upgrading from SQL Server 2016 to 2022

By abdalah.mehdoini

Hello everyone, Last week we performed an upgrade of our SQL Server instance, moving...

Adding new column with DEFAULT

By Thomas Franz

Comments posted to this topic are about the item Adding new column with DEFAULT

How do I connect to a SQL Server database on my ISP?

By Doctor Who 2

I've got a web application for my side business. I've added a SQL Server...

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Question of the Day

Adding new column with DEFAULT

Which number will the COUNT() return after executing the following statements: 

DROP TABLE IF EXISTS #test;
CREATE TABLE #test (id INT)
INSERT INTO #test (id)
SELECT *
  FROM GENERATE_SERIES(1, 3) AS gs
;

ALTER TABLE #test ADD flag BIT CONSTRAINT DF_#test_flag DEFAULT 0;
go
UPDATE #test SET flag = 0 WHERE id = 1
UPDATE #test SET flag = 1 WHERE id = 2

INSERT INTO #test (id) VALUES (4)

SELECT COUNT(*)
  FROM #test AS t
 WHERE flag = 0
 

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