Pablo Echeverria

I've worked for more than 10 years as a software programmer and analyst, during which time I studied parallel programming and became a senior programmer specialist. In 2016, I switched jobs to a DBA position, where I've implemented new processes and created better monitoring tools, while I'm growing my data scientist skills to improve my customer's businesses.

Check out Pablo's most recent book https://bpbonline.com/products/hands-on-data-virtualization-with-polybase. This book brings exciting coverage on establishing and managing data virtualization using Polybase. This book teaches how to configure Polybase on almost all relational and nonrelational databases. You will learn to setup a test environment for any tool or software instantly without any hassle. You will learn how rapidly to design and build high performing data warehousing solutions.
  • Interests: technology
  • Skills: programming, databases

SQLServerCentral Article

How Can SQL Server Detect Application Errors When Developers Can’t?

How a simple Extended Events session can turn you from a silent guardian to a developer’s best ally. There is an old, undeniable paradox in the life of a Database Administrator: If you do your job perfectly, nobody remembers you exist, only when you resolve problems. When queries are fast, backups are pristine, and the […]

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2026-08-31

2,069 reads

SQLServerCentral Article

Can You Really Downgrade from Enterprise to Standard and Save Thousands? Here's What Happened

A real world story of how someone moved from Enterprise Edition to Standard for not only the SQL Server database engine, but also with SSRS, SSIS, and SSAS.

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2026-07-22

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Adding new column with DEFAULT

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

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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
 

See possible answers