Best Practices For Deleting SQL Server Data
Inevitably there comes a time where some backend data cleanup needs to be done. Ben Snaidero shares some best practices to follow when deleting data.
2015-12-30
4,978 reads
Additional Articles
Declarative SQL: Using UNIQUE Constraints
In SQL, you can express the logic of what you want to accomplish without spelling out the details of how the database should do it. Nowhere is this more powerful than in constraints. SQL is declarative, and Joe Celko demonstrates, in his introduction to Declarative SQL, how you can write portable code that performs well and executes some complex logic, merely by creating unique constraints.
2015-12-29
6,430 reads
Azure SQL Database Resiliency - Point-in-Time Restore
Azure SQL Database provides a number of benefits that leverage resiliency and redundancy built into the underlying cloud infrastructure. You can take advantage of these features in order to perform backup, restore, and failover tasks, which help you recover from human errors, service outages, or even regional disasters. In this article, Marcin Policht provides an overview of the primary capabilities incorporated into Azure SQL Database, in particular focusing on point-in-time restore
2015-12-28
4,050 reads
Oracle Error When Importing An Interval Partitioned Table
Oracle 12.1.0.2 can throw an ORA-01438 when importing an interval partitioned table. In this post, David Fitzjarrell suggests a work-around until Oracle patches the bug.
2015-12-25
3,295 reads
SQL Server Data Tools (SSDT) and Database References
SQL Server Data Tools (SSDT) provides, via the DacPac, interesting support for verifying not only those references within the database, but also those to other databases even if they are on other servers. Although it is adds an extra level of complexity to deployments, it can increase the probability that deployments will succeed without errors due to broken references or binding errors. Ed Elliot investigates.
2015-12-24
5,389 reads
The Boardgame of Office Politics
Sometimes the stress of interdepartmental friction withing organisations, can get on top of you, especially between the business and IT when the going gets tough. Simple-Talk's answer is a board game to put it all into perspective. Instead of getting carried away, play the board game instead and reach catharsis.
2015-12-24
3,352 reads
Advanced Mathematical Formulas using the M Language
The Power BI desktop designer contains a rich set of advanced mathematical functions. In this article, John Miner shows how you can combine these functions together in a computed column to solve numerical business problems.
2015-12-23
3,924 reads
Partitioning on a Budget
Enterprise Edition customers enjoy the manageability and performance benefits offered by table partitioning, but this feature is not available in Standard Edition. Aaron Bertrand explains his idea for achieving at least some of partitioning's upsides on any edition.
2015-12-22
4,341 reads
Azure Data Lakes
The Data-lake is basically a large repository of data for 'big data' analytic workloads, held in its original format. The Azure Data Lake adds Data Lake Analytics, and Azure HDInsight. Although the tools are there for Big Data Analysis, it will require new skills to use, and a heightened attention to Data Governance if it is to appeal to the average enterprise. Rob Sheldon takes a look.
2015-12-21
3,485 reads
Jodie Beay and the Production Database Drift
You make an example database, like NorthWind or WidgetDev in order to test out your deployment system and the next thing you know you're worrying about constraints, backup and security. Then you add an index to the production system and feel a pang of guilt. What would the Devs say? Somehow databases take on lives of their own, populated by the lost souls of users, Developers and DBAs. Has the Redgate DLM Team's practice Forex database somehow come alive?
2015-12-18
3,479 reads
Blogs
Identity Columns Can’t Be Updated: #SQLNewBlogger
By Steve Jones
I’m not sure I knew identity column values could not be updated. I ran...
Rolling Back a Broken Release
By Steve Jones
We had an interesting discussion about deployments in databases and how you go forward...
A bespoke reporting solution doesn’t have to cost the earth
By ChrisJenkins
You could be tolerating limited reporting because there isn’t an off the shelf solution...
Forums
Can someone please explain what happens?
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT) returns null when nothing is found instead of 0
SELECT COUNT(DISTINCT Component) AS Found FROM tblComponents WHERE(Component NOT LIKE '%[a-z]%') AND(LTRIM(RTRIM(Component)) = 'GM13622')...
Remotely Engineer Fabric Lakehouse objects: The Fabric Modern Data Platform
Comments posted to this topic are about the item Remotely Engineer Fabric Lakehouse objects:...
Question of the Day
Creating JSON III
In a SQL Server 2025 table, called Beer, I have this data:
BeerIDBeerName 1Becks 2Fat Tire 3Mac n Jacks 4Alaskan Amber 8KirinI run this code:
SELECT JSON_OBJECTAGG(
BeerID: BeerName )
FROM beer;
What are the results? See possible answers