Like ancient Gaul, SQL is divided into three sub- languages. The DDL (Data Declaration Language) declares the data. This is where we find the data types, constraints, references and other structures that have to do with how the data stored . The DML (Data Manipulation Language) uses those declarations to change their contents or to invoke them. It does not change structures and schema objects.
2024-12-04
As a Data Engineer I found myself having to learn rather more about cloud infrastructure than I had expected.
2024-12-02
3,651 reads
This article looks at how to use SQL IS NULL and SQL IS NOT NULL operations in SQL Server along with use cases and working with NULL values.
2024-12-02
If you've ever wondered if you can do better than an INDEX SCAN when you do a LIKE "%string%" search, read on...
2024-11-29 (first published: 2014-04-07)
50,983 reads
Welcome to part 2 of our Demystifying Continuous Integration vs. Continuous Delivery series.
2024-11-29
This tip explores leveraging existing SQL Server stored procedures within the Microsoft GraphQL API.
2024-11-27
This isn't really a first look, per se. I've seen Erin Stellato present on this a few times in MVP sessions and at the PASS Data Community Summit. However, this is a look on my machine, where I'm in control. The new version preview was announced recently, and this looks at the new process to […]
2024-11-25
18,434 reads
Starting at 4pm PST on Thursday, November 28th, SQLskills will be offering our lowest prices ever for our signature Blackbelt bundle with more than 158 hours of top-quality training.
2024-11-25 (first published: 2024-11-06)
Bob Ward announces the next version of SQL Server, now in private preview.
2024-11-22
21,888 reads
BULK INSERT and BCP are powerful, high performance tools for importing text files. SQL Server MVP Jeff Moden gives us several nifty tips in this introduction to BULK INSERT and BCP Format Files including "Skipping Columns" and the sequestration of bad rows while still loading all the good data.
2024-11-22 (first published: 2014-01-23)
25,423 reads
By Steve Jones
One of the things I’ve tried hard to do in database development situations if...
By DataOnWheels
The T-SQL Tuesday topic this month comes James Serra. What career risks have you...
This T-SQL Tuesday is hosted by the one and only James Serra – literally...
We have two "identical" instances of an ASP.NET web service (or so I have...
Comments posted to this topic are about the item OPENQUERY Flexibility
Comments posted to this topic are about the item A Full Shutdown
Which of these are valid OPENQUERY() uses?
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