T-SQL Programming Itzik Ben-Gan in T-SQL Programming T-SQL Fundamentals: Controlling Duplicates When people start learning a new field, for example T-SQL, it’s tempting to spend very little time trying to understand... 28 September 2023 20 min read
T-SQL Programming Drupal Grupal in T-SQL Programming Alternatives To SQL Server 2022 Built-in function GREATEST If you haven’t already heard, SQL Server 2022 introduced a new built-in system function called GREATEST. Simply put, it is... 18 September 2023 14 min read
Other Louis Davidson in Other Yet Another Reason to Not Use sp_ in SQL Server Object Names In 2012, Aaron Bertrand said most everything I knew (and a bit more) about the issues with using the sp_... 25 August 2023 6 min read
T-SQL Programming Aaron Bertrand in T-SQL Programming Working around schema drift in SQL Server At Stack Overflow, our environment has multiple implementations of a largely – but not 100% – identical schema. (By “schema,”... 14 August 2023 10 min read
SQL Server Ben Johnston in SQL Server Unmasking SQL Server Dynamic Data Masking, Part 5: Mitigations and Summary This is the fifth and final part of this series on SQL Server Dynamic Data Masking. In this article, I’ll... 30 July 2023 12 min read
SQL Server Ben Johnston in SQL Server Unmasking SQL Server Dynamic Data Masking, Part 4, Unmasking Formatted and Unformatted Text Continuing from the previous entry in this series on security concerns with using Dynamic Data Masking, in this article I... 27 June 2023 30 min read
T-SQL Programming Greg Larsen in T-SQL Programming SQL Subquery in SELECT: Examples & Syntax Guide Learn to embed subqueries inside a SELECT statement in SQL Server. Covers scalar subqueries, correlated subqueries, derived tables, and how... 26 June 2023 15 min read
SQL Server Ben Johnston in SQL Server SQL Server DDM Security Risks: Side Channel Attacks and Partial Unmasking SQL Server Dynamic Data Masking can be bypassed: learn how side channel attacks use range queries to infer masked values,... 14 June 2023 31 min read
SQL Server Ben Johnston in SQL Server SQL Server Dynamic Data Masking Setup Guide Set up SQL Server Dynamic Data Masking step by step. Covers ALTER TABLE masking syntax, mask functions (default, email, random,... 07 June 2023 28 min read
T-SQL Programming Itzik Ben-Gan in T-SQL Programming T-SQL Gap-Filling: Filling Missing Dates with LAG, IGNORE NULLS, and Range Matching Three T-SQL approaches for filling gaps in a time series with last-known values (LOCF imputation): TOP-based lookup, IGNORE NULLS (SQL... 29 May 2023 19 min read
SQL Server Ben Johnston in SQL Server SQL Server Dynamic Data Masking: Introduction and Use Cases (Part 1) SQL Server Dynamic Data Masking (DDM) obfuscates column data for unauthorized users without changing the stored data. Part 1 introduces... 26 May 2023 13 min read
T-SQL Programming Aaron Bertrand in T-SQL Programming Changing log growth strategy in SQL Server 2022 When I first saw a bullet item stating SQL Server 2022 would support instant file initialization for log file growth,... 15 May 2023 6 min read
T-SQL Programming Aaron Bertrand in T-SQL Programming One use case for NOT using schema prefixes I’ve long been a huge advocate for always referencing objects with a schema prefix in SQL Server.… 20 April 2023 6 min read
T-SQL Programming Edward Pollack in T-SQL Programming Ordered Columnstore Indexes in SQL Server 2022: Usage & Limits Learn how to use the ORDER clause with columnstore indexes in SQL Server 2022. Covers automatic data ordering, rowgroup elimination... 07 April 2023 18 min read
T-SQL Programming Aaron Bertrand in T-SQL Programming GENERATE_SERIES in SQL Server 2022: Syntax, Examples, and Performance vs Numbers Tables GENERATE_SERIES is the new built-in function in SQL Server 2022 and Azure SQL Database for producing a set of values... 30 March 2023 13 min read
T-SQL Programming Greg Larsen in T-SQL Programming Paging Data in T-SQL Sometimes when working with very large sets of data, you may not want to return all of the data at... 20 March 2023 10 min read
T-SQL Programming Louis Davidson in T-SQL Programming Optional Code in T-SQL Scripts using SQLCMD When you are writing T-SQL scripts to save away, for example one to create a new database, there are often... 06 March 2023 6 min read
T-SQL Programming Aaron Bertrand in T-SQL Programming 40 Common Stored Procedure Problems in SQL Server Review 40 real stored procedure problems in SQL Server: naming conventions, error handling, NOCOUNT, temp table usage, sargability, schema binding,... 23 February 2023 22 min read
Learn SQL Server Greg Larsen in Learn SQL Server Using TOP clause in a SELECT statement There might be a time when you might want to return just a few rows of a result set, instead... 06 February 2023 11 min read
Other Louis Davidson in Other Dealing with the Bits of a Binary Value in SQL Server In this article, I want to talk about a topic that you may never need. The only time I have... 04 December 2022 5 min read
