Database Normalization in SQL with Examples
Gouri Shankar provides an overview of normalizing a database.
2020-02-18
87,733 reads
T-SQL
Handling Aggregations on a Poorly Designed Database
When the database design is not great, you may have to write some creative queries to get what you need.
2020-02-17
3,454 reads
Calculate Moving Averages using T-SQL in SQL Server
Introduction In Financial Data, analyzing the Moving Average (MA) is a very common practice. The direction of the moving average conveys important information about prices, whether that average is simple or exponential. A rising moving average shows that prices are generally increasing. A falling moving average indicates that prices, on average, are falling. This article […]
2020-02-04
22,927 reads
Prevent SQL Server Blocking using Lock_Timeout
In this tip we look at a way to minimize the length of blocking using SQL Server lock timeout.
2020-01-24
T-SQL script to purge all the tables including foreign key references
T-SQL script to purge all the tables including foreign key references. The script has been made smart enough to use TRUNCATE wherever there is no foreign key reference and to use DELETE wherever there is foreign key reference.
2019-12-10
2,576 reads
SQL Server Name Convention and T-SQL Programming Style
There are only two hard things in Computer Science: cache invalidation and naming things -- Phil Karlton The recommendations in this article are not the ultimate truth. Please consider this article as a rule template that you can adapt to your needs. A naming convention is a set of rules for choosing the character sequence to […]
2019-12-10
24,896 reads
Function and Queries to Convert Hierarchical Adjacency to Nested Json Arrays
This script converts hierarchical adjacency into nested json rows which contain the recursive "downlines" of each node. The table-valued function treats each row in the original adjacency as the root node in a recursive common table expression.
2019-11-25 (first published: 2019-11-24)
764 reads
Function and Queries to Convert Hierarchical Adjacency to Nested Json Arrays
This script converts hierarchical adjacency into nested json rows which contain the recursive "downlines" of each node. The table-valued function treats each row in the original adjacency as the root node in a recursive common table expression.
2019-11-12 (first published: 2019-11-08)
2,055 reads
T-SQL query to copy data from one database to another database
T-SQL query to copy the rows of all the tables from one database to another database only if they have rows in Source DB and exact same Schema in both Source and Destination DB.
2019-11-07 (first published: 2019-10-30)
5,464 reads
T-SQL query to get the latest available backup chain
T-SQL query to return the latest available database backup chain (Full, Differential and Log) of individual databases along with their backup size and compressed size.
2019-11-08 (first published: 2019-10-30)
3,738 reads
Blogs
Back in the EU
By Steve Jones
I flew to Amsterdam last night and hopefully by the time this publishes I’ll...
The Feedback Multiplier: How Leaders Can Turn Input into Innovation
By Chris Yates
In every organization there is a hidden currency more valuable than capital, more enduring...
Setting up SQL Server S3 Object Storage Integration using MinIO with Docker Compose (Updated for SQL Server 2025)
Update for SQL Server 2025: This post and the GitHub repo have been updated for...
Forums
how to use a variable in a CASE statement?
hi everyone I am getting an error when I add a variable to a...
How to Use SQL Server Features to Cut Web App Latency in Half
Comments posted to this topic are about the item How to Use SQL Server...
Choosing an AI in Sept 2025
Comments posted to this topic are about the item Choosing an AI in Sept...
Question of the Day
The New SQL Server 2025 Data type
In SQL Server 2025, there is a new data type designed to support similarity search and machine learning applications for AI applications. What is this new data type?
See possible answers