Adding PK Exceptions to SQLCop Tests
In this piece, Steve Jones shows how you can enforce a requirement of a Primary Key (PK) with a unit test, but also allow exceptions where needed.
2016-05-12
1,395 reads
Articles
Performance Surprises and Assumptions : DATEADD()
Aaron Bertrand explores yet another scenario where a date/time function seems to cause the optimizer to behave unexpectedly.
2016-05-12
4,956 reads
2016-05-11
4,469 reads
Data Mining Part 40: Big Data and Microsoft Data Mining
This article will introduce about big data and HDInsight and Hadoop.
2016-05-10
1,373 reads
SQL Server Security Audit Basics
SQL Server Server Audit has grown in functionality over the years but it can be tricky to maintain and use because it lacks centralization and analysis tools. It can do a fast and lightweight audit of many different activities including DML and DDL at both Instance and Database Levels - even the work of the DBAs. How do you check logins and permissions? How do you script an enterprise-wide audit solution? How can you hope to analyse the log data you get? Feodor Georgiev gets you started.
2016-05-10
3,537 reads
RANDom traps for the unwary
The Books Online description of the RAND() function is only true from certain perspectives.
2016-05-09
2,762 reads
2016-05-09 (first published: 2016-04-26)
7,938 reads
Big Data Architecture
The next few years will be critical for the information technology staff, as they attempt to integrate and manage multiple, diverse hardware and software platforms. In this article, Lockwood Lyon addresses how to meet this need, as users demand greater ability to analyze ever-growing mountains of data, and IT attempts to keep costs down.
2016-05-09
5,553 reads
Unique Indexes Are Code; Non-Unique Indexes Are Data
Unique indexes are the database developer's responsibility. Non-unique indexes can be more easily maintained directly on the production database by an automated process.
2016-05-06 (first published: 2014-06-26)
16,606 reads
SQL Server Reporting Services CountDistinct and Previous Functions
Scott Murray takes a look at what count function variations and related functions are available in SQL Server Reporting Services (SSRS).
2016-05-06
3,345 reads
Blogs
Announcements from the Microsoft Fabric Community Conference — Barcelona 2026
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Au Revoir for now
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications, which is...
Force join by longest possible choice
Title pretty much says it. I want to join to a table that has...
Building a SQL Server Fleet Audit That Leadership Actually Reads
Comments posted to this topic are about the item Building a SQL Server Fleet...
Question of the Day
RegEx Functions IV
I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 dylan0@ADVENTURE-WORKS.COM 8 Diane1@ADVENTURE-WORKS.COMIf I run this query, which row(s) are returned?
SELECT top 10 * FROM person.EmailAddress WHERE REGEXP_LIKE(EmailAddress, '^D', 'i') AND BusinessEntityID IN (7,8)See possible answers