Database Normalization in SQL with Examples
Gouri Shankar provides an overview of normalizing a database.
2020-02-18
87,900 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
22,955 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
2,585 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
24,954 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)
771 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)
2,058 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)
5,472 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)
3,752 reads
Blogs
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Change is inevitable. What separates thriving organizations from those that falter is not the...
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It’s been a good year for me. With my sabbatical, I felt like I’ve...
Speaking at PASS Summit 2025
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Forums
Create an HTML Report on the Status of SQL Server Agent Jobs
Comments posted to this topic are about the item Create an HTML Report on...
Powershell script to generate SQL server Inventory in CSV format
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Database Ledger in SQL Server 2022
Comments posted to this topic are about the item Database Ledger in SQL Server...
Question of the Day
Azure SQL Database MAXDOP
When Azure SQL Database was originally released, the MAXDOP was set to 0 for each new database. In Oct 2025, what is the default value for Azure SQL databases?
See possible answers