T-SQL Programming Joe Celko in T-SQL Programming Validation, Verification, and Modification A proper database design is very important, and changes to fix problems after the fact are expensive. In this article,... 26 December 2017 20 min read
BI Robert Sheldon in BI SQL Server Machine Learning Services – Part 2: Python Data Frames SQL Server Machine Learning Services provides the ability to run Python scripts directly against data in SQL Server. To do... 18 December 2017 28 min read
Blogs Phil Factor in Blogs Pivot Rotation and Matrix Transpose in SQL Server: A New Method? The question often comes up: how do you pivot data in SQL Server? In looking closer at the question, there... 12 December 2017 7 min read
BI Robert Sheldon in BI SQL Server Machine Learning Services – Part 1: Python Basics Python is a very popular language used for many purposes including machine learning. SQL Server 2017 supports Python with its... 30 November 2017 20 min read
Database Administration Robert Sheldon in Database Administration Still More SQL Server Features that Time Forgot As the final entry in this series, Robert Sheldon leads you through a group of forgotten features that have been... 17 November 2017 15 min read
T-SQL Programming Alfonso Hernandez in T-SQL Programming Summarizing Data Using the GROUPING SETS Operator Writing aggregate queries is one of the most important tasks for anyone working with T-SQL. Determining the expressions required in... 14 November 2017 9 min read
BI Robert Sheldon in BI SQL Server R Services: Working with Multiple Data Sets Although it is easy to use SQL Server R Services to create R scripts that incorporate SQL Server data by... 03 November 2017 19 min read
T-SQL Programming Phil Factor in T-SQL Programming Importing JSON Data from Web Services and Applications into SQL Server To support many applications, it makes sense for the database to work with JSON data, because it is the built-in... 27 October 2017 21 min read
T-SQL Programming Joe Celko in T-SQL Programming Simple SQL: Handling Location Datatypes How do you record locations in SQL? Most relational database systems support spatial and geographical data, generally using the round-earth... 19 October 2017 14 min read
Database Administration Robert Sheldon in Database Administration Even More SQL Server Features that Time Forgot SQL Server works well, and Microsoft does everything it can to keep it relevant and competitive: As with everything in... 18 October 2017 13 min read
BI Robert Sheldon in BI SQL Server R Services: Generating Sparklines and Other Types of Spark Graphs By being able to run R from SQL Server, you have available to you not just a convenient way of... 04 October 2017 15 min read
Database Administration Robert Sheldon in Database Administration More SQL Server Features that Time Forgot SQL Server produces some great features, but it would be impossible to get them spot-on target every time. We are... 20 September 2017 14 min read
Blogs Phil Factor in Blogs Consuming hierarchical JSON documents in SQL Server using OpenJSON Over the years, Phil was struck by the problems of reading and writing JSON documents with SQL Server, and wrote... 12 September 2017 13 min read
T-SQL Programming Joe Celko in T-SQL Programming Missing Data In the real world of business or scientific reporting and analysis, data can prove to be awkward. It can be... 08 September 2017 11 min read
BI Robert Sheldon in BI SQL Server R Services: Working with Data Frames Although you can get started with R in SQL Server without understanding data frames, they are a key structure of... 06 September 2017 29 min read
Editorials Phil Factor in Editorials When is the Data Deleted? Imagine that your business is providing a service to individuals, and you charge by the amount of usage. You are... 24 August 2017 3 min read
Opinion Pieces Robert Sheldon in Opinion Pieces The SQL Server Features that Time Forgot Every new release of SQL Server comes with new features that cause a ripple of excitement within the industry: well,... 23 August 2017 12 min read
T-SQL Programming Joe Celko in T-SQL Programming Simple SQL: Random Thoughts How does one get a truly random sample of data of a certain size from a SQL Server database table.... 11 August 2017 9 min read
T-SQL Programming Hitendra Patel in T-SQL Programming The Power of Python and SQL Server 2017 Python is new to SQL Server 2017. It is intended primarily to allow the use of Python-based machine-learning within SQL... 04 August 2017 14 min read
Blogs Phil Factor in Blogs Statistics in SQL: Student’s t-test Many undergraduates have misunderstood the name 'Students' in the t-test to imply that it was designed as a simple test... 03 August 2017 5 min read