Converting Data Across Time Zones: An In-Depth Primer
This article dives into all the math required to convert historical times between time zones.
2022-12-28
Additional Articles
Executing Optional Code in Flyway Callbacks
This article demonstrates how we can use a Flyway placeholder as a simple on/off switch for each task, during Flyway migrations.
2022-12-28
Building a SQL Computational Framework for MACD Indicators
This article looks at how to calculate MACD indicators using a set of T-SQL code and data stored in a SQL Server database.
2022-12-26
The Lock Escalation Threshold – Part 3
The examples so far in this series have all used repeatable read isolation to acquire shared locks on qualifying rows and hold them to the end of the transaction. This was convenient for the demos but repeatable read isolation isn’t common in everyday use.
2022-12-26
Flyway Desktop in Database Development Work: An Overview
For those new to Flyway Desktop, this article takes a strategic overview of the components of a Flyway Desktop project, how to set up a project for team-based development work, and how we can use the tool in conjunction with a version control system and CI servers to manage a database development and release process.
2022-12-23
Heapq Module in Python: Using Heaps and Priority Queues
In this tutorial, learn about Python priority queues and heaps, how do they relate, and how to use the heapq module in Python.
2022-12-23
Maintaining a Utilities Schema in a Flyway Project
This article demonstrates how to manage these utilities from Flyway so that we can maintain and migrate them separately from the database objects.
2022-12-21
The Basics of Deleting Data from a SQL Server Table
n my last article “Updating SQL Server Data” I discussed using the UPDATE statement to change data in existing rows of a SQL Server table. In this article I will be demonstrating how to use the DELETE statement to remove rows from a SQL Server Table.
2022-12-21
Setting SQL Deadlock Priority to Control the Transaction that is Rolled Back
Learn how to control which SQL Server transaction will get rolled back when a deadlock occurs by using DEADLOCK_PRIORITY.
2022-12-19
SSIS Bad Habits: Decreasing SSIS Package Performance
This tip will explain some mistakes SSIS developers usually make when designing ETL and how they should be avoided to help improve performance.
2022-12-19
Blogs
A New Word: on tenderhooks
By Steve Jones
on tenderhooks – adj. feeling the primal satisfaction of being needed by someone, which...
Ramblings about data communities and your contributions, no excuses
By DataOnWheels
I have been active in the data community throughout my career. I have met...
SQL Server Journey till 2025 (brief)
By Vinay Thakur
Quick Summary for Microsoft SQL Server till 2025, I am fortunate to be part...
Forums
Ola Hallengren Index Optimize Maintenance can we have data compression = page
I have a quick question on Ola Hallengren Index Optimize Maintenance . Do we...
how do i map the "current" object entry in for each to one variable
hi, in an ssis for each loop over an object variable called MyListVariable, i...
Simulating Mercury’s Orbital Motion Using Pure T-SQL (NASA 2025 Dataset)
SQL Server is typically viewed as a transactional or analytical database engine. However, it...
Question of the Day
String Similarity I
On SQL Server 2025, when I run this, what is returned?
SELECT EDIT_DISTANCE_SIMILARITY('SQL Server', 'MySQL') See possible answers