Five Online Database Modelling Services
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.
Building Better Software
Steve Jones discusses the idea of building software better, and why that's a challenge for many of us.
Find a String in a String in SQL Server
Learn how you can find data in a string and extract it, no matter where it's located.
Getting Started with JSON Support in SQL Server 2016 – Part 2
Arshad Ali talks about using OPENJSON to read and parse JSON data and looks at how to convert it to tabular format.
The Slack Integration
Slack has become a popular phenomenon in the technical world, especially for software developers. Should we join in?
Disabling SQL Server Optimizer Rules with QUERYRULEOFF
Daniel Farina shows how to disable the optimizer rules by using QUERYRULEOFF, an undocumented hint.
The Data Driven Event
In a couple of days, Microsoft is holding Data Driven, an event that will highlight SQL Server 2016.
SQL GROUP BY Basics
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.
Deep Dive into Changing Database Collation
Changing Database Collation Through Primary keys, Foreign Keys, Default and Check Constraints and more.
Blogs
Data Engineering Books Worth Having on Your Shelf (or your tablet)
Good documentation gets you started. Good books get you deep. After years of working...
SSMS Evaluation – future ready
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
Claude.ai vs Claude API
By Arun Sirpal
You have used Claude. But which Claude? The Claude app (claude.ai, the desktop and...
Forums
Creating a JSON Document IV
Comments posted to this topic are about the item Creating a JSON Document IV
Restoring Azure Key Vault Keys and Validating SQL Server TDE Recovery: Level 7 of the Stairway to TDE
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
Permissions Removal When Changing Object Schema
When the schema of an object is changed, SQL Server wipes out the previous...
Question of the Day
Creating a JSON Document IV
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers