Breaking Down DENSE_RANK(): A Step-by-Step Guide for SQL Enthusiasts
Learn how it works and how to use the DENSE_RANK() function in your code.
2024-04-12
3,512 reads
#sql interview questions
SQL Window Functions Series: NTILE()
Unlock the power of SQL's NTILE function with our latest deep-dive article. Learn to segment your data effectively into quantiles for more nuanced analysis, discover common pitfalls and their solutions, and optimize your queries for peak performance.
2024-02-03 (first published: 2024-01-03)
4,897 reads
SQL Window Functions Series: LAG() and LEAD()
Dive deep into the powerful SQL window functions, LAG() and LEAD(). Explore their intricacies, discover real-world examples, and avoid common pitfalls.
2023-12-11
8,808 reads
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The Ending Substring
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Question of the Day
The Ending Substring
In Azure SQL Database and SQL Server 2025, if I run this, what is returned?
SELECT '[' + SUBSTRING('Steve Jones', 7) + ']' See possible answers