In the real world of business or scientific reporting and analysis, data can prove to be awkward. It can be plain wrong or it can be altogether missing. Sure, we have the NULL to signify unknown, but that doesn't play well with regular business reporting. There are a number of ways of dealing with missing information, and methods of estimating data from existing data has a long and respectable history. Joe Celko gets to grips with a data topic that is often treated with some trepidation.
Build and Operationalize scalable Predictive models and intelligent applications using SQL and R.
This Friday Steve Jones wants to know about the lifetime of your instances. Do you have some idea on how long you'll run a particular version of a platform?
Your Agile developers want MongoDB, or a similar document database: your Ops people are concerned about security and backup, and Governance are muttering about transactionality and data transfer between systems. Do you restrict your developers from rapidly-evolving the data design for their domain or do you embrace the joys of NoSQL unconditionally? If you accept a polyglot database environment, where the NoSQL lambs coexist with the relational lions, how do you provide tools and common database concepts that everyone can use and understand?
This article will show how to change the data type of a column when the table contains more than 1 billion records.
A lot of us are introverted, so is there anything that can be done about it?
How do you get management to help you figure out if a cluster or an AG is right for you? In this post, Brent Ozar explains the steps involved when doing a review of your SQL Server architecture.
This week Steve Jones asks about moving to the cloud and how interesting that might be to the community?
Although you can get started with R in SQL Server without understanding data frames, they are a key structure of the R language that are the equivalent of SQL Server table variables. They give you many ways of manipulating and analyzing data and passing it between R and SQL Server. For a database professional, they provide a clear and familiar concept when getting to grips with integrating R into the database.
By ChrisJenkins
Do you spend so long manipulating your data into something vaguely useful that you...
By Steve Jones
It was neat to stumble on this in the book, a piece by me,...
Forgive me for the title. Mentally I’m 12. When I started my current day...
Comments posted to this topic are about the item Microsoft Security Changes and SQL...
Comments posted to this topic are about the item Expanding into Print
Comments posted to this topic are about the item Downtime Caused by the Postgres...
In SQL Server 2025, what is returned by this code:
SELECT EDIT_DISTANCE('Steve', 'Stan')
Assume preview features are enabled. See possible answers