To design, or redesign, a database of any complexity, the Entity-Relationship modelling tool becomes essential. The specialized tools that have dominated the industry for a long while are expensive and are installed on a workstation. Now that browser technology has progressed so rapidly, the online database modelling tools have become viable and are starting to attract the attention of database designers. Are they good enough to use now? Robert Sheldon finds out.
Steve Jones discusses the idea of building software better, and why that's a challenge for many of us.
Learn how you can find data in a string and extract it, no matter where it's located.
Arshad Ali talks about using OPENJSON to read and parse JSON data and looks at how to convert it to tabular format.
Slack has become a popular phenomenon in the technical world, especially for software developers. Should we join in?
Daniel Farina shows how to disable the optimizer rules by using QUERYRULEOFF, an undocumented hint.
In a couple of days, Microsoft is holding Data Driven, an event that will highlight SQL Server 2016.
It sometimes pays to go back and look at what you think you already know about SQL. Joe Celko gives a quick revision of the GROUP BY and HAVING clauses in SQL that are the bedrock of any sort of analysis of data, and comes up with some nuggets that may not be entirely obvious.
Changing Database Collation Through Primary keys, Foreign Keys, Default and Check Constraints and more.
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It's 2 AM. Your phone is going off. Users can't connect to the application,...
By Steve Jones
I discovered a procedure recently that I wasn’t aware of: sp_sequence_get_range. This post looks...
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After a year away getting to grips with AI and its application across the...
Fisher Phillips is looking for a Financial Systems Administrator to help support and improve our financial...
Employee owned company, been around for over 50 years. Hybrid opportunity, looking folks in Pacific...
i have huge table with lot of data and is also wide. i took...
I want to create a JSON document that contains data from this table:
TeamID TeamNameCity YearEstablished 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960If I run this code, what document(s) is/are returned?
SELECT json_objectagg( n.city : n.TeamName) FROM dbo.NFLTeams;See possible answers