Frequently Asked Questions Day 5 explains what is an identity column, how a GUID compares, and what data warehousing means, with short interview answers.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
SQL SERVER – Interview Questions and Answers – Frequently Asked Questions Day 4 of 31
Frequently Asked Questions Day 4 covers the difference between a function and stored procedure, and what a subquery is, in my SQL Server interview series.
SQL SERVER – Interview Questions and Answers – Frequently Asked Questions Day 3 of 31
Frequently Asked Questions Day 3 explains what is a stored procedure, what is a trigger, and why procedures cut network traffic, in plain interview answers.
SQL SERVER – Interview Questions and Answers – Frequently Asked Questions Day 2 of 31
Frequently Asked Questions Day 2 of my SQL Server interview series: what is RDBMS, the properties of relational tables, normalization and more, in short answers.
SQL SERVER – Interview Questions and Answers – Frequently Asked Questions Introduction – Day 1 of 31
Frequently Asked Questions introduction, Day 1: the pros and cons of the interview question and answer format. Is it helpful learning material or just cheating?
SQL SERVER – Interview Questions and Answers – Frequently Asked Questions – Complete Downloadable List – Day 0 of 31
The complete downloadable list of my 31-day series of SQL Server interview questions and answers, with a free PDF for offline review at the end.
The real Data Type: Seven Digits of Precision and Overflow
Four bytes look like a bargain until a total comes out wrong. Watch real round, overflow and drift, then decide when decimal is the safer pick.
SQL Server slow? Let's fix it together in about four hours.
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Who We Are
Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 24 years of hands-on experience. He holds a Masters of Science degree and numerous database certifications.
Pinal has authored 19 books and 125 Pluralsight courses. To freely share his knowledge and help others build their expertise, Pinal has also written more than 5,800 database tech articles on his blog at https://blog.sqlauthority.com.
Pinal is also a CrossFit Level 1 Trainer (CF-L1) and CrossFit Level 2 Trainer (CF-L2).
Nupur Dave is a social media enthusiast and an independent consultant. She primarily focuses on the database domain, helping clients build short and long-term multi-channel campaigns to drive leads for their sales pipeline.
Shaivi Pinalkumar Dave is a book author and a women’s artistic gymnast.

