How to Execute SSIS Packages from SQL Server Agent
Learn about best practices for developing SSIS packages that you want to execute from SQL Server Agent and the steps to follow.
2024-01-09 (first published: 2020-12-01)
Articles
Mental Health and Wellness Day 2022
Our annual mental health and wellness day is slated to happen on 8th April 2022. We have a fantastic lineup,schedule as below. For more details on speakers and sessions refer to our blog post here.
2024-01-09 (first published: 2022-04-08)
Post-migration Validation and Optimization Guide
SQL Server post migration step is very crucial for reconciling any data accuracy and completeness, as well as uncover performance issues with the workload.
2024-01-09 (first published: 2022-10-10)
SQL Unit Testing reference guide for beginners
In this article, we are going to learn the basics of SQL unit testing and how to write a SQL unit test through the tSQLt framework.
2024-01-09 (first published: 2023-09-08)
Understanding Power BI Security Options - Row-Level, Column-Level and Object-Level Security
In this article, learn how to control access levels to various data and parts of Power BI reports using row-level security as well as column and object-level security.
2024-01-09 (first published: 2023-06-19)
Machine learning K-Means applied to SQL Server data
This article shows how to use Python to access data in SQL Server and produce a K-Means analysis with a chart.
2024-01-08
2,576 reads
Using a SQL Tokenizer
Imagine this: you have several directories full of SQL script files, and you need to know where a certain table is used. You’d rather like the context too, so you can check the whole SQL Expression and work out why it is running so slowly.
2024-01-08
Dijkstra's Algorithm
Introduction This article celebrates a classic algorithm [1] of Dijkstra (1930 – 2002) which finds a path of minimal cost between any pair of nodes in an undirected graph. His procedure is widely recognized as a fundamental tool for examining communication and transportation networks (eg. Google Maps) and is surprisingly simple. By his own admission, […]
2024-01-05
7,809 reads
Interesting Aurora MySQL Feature: The Buffer Pool Survives Restarts
Lemme start this off by saying this is probably irrelevant to you. (It’s irrelevant to me, too.)
2024-01-05
New Power BI Explore this Data Feature: An Alternative to Excel Pivot Tables
Learn how to pivot and analyze data in Power BI like you can do in Excel for fast and easy data analysis.
2024-01-05
Blogs
Counting Groups with Window Functions: #SQLNewBlogger
By Steve Jones
I looked at row_number() in a previous post. Now I want to build on...
The query processor ran out of internal resources and could not produce a query plan – When You’ve Managed to Confuse SQL With a Crazy IN Clause.
Recently I received a cry for help over Teams. The issue was that an...
Extending a SQL Server Failover Cluster Across Regions in Google Cloud Platform (GCP)
By davebem
I was the principal author of this SIOS whitepaper, which describes how to build...
Forums
How to determine if a DB is currently being used
Hi - I'm looking for advice regarding the best & quickest way to establish...
Data cleansing/conversion tool HPE
Hello. I am looking for a tool Data cleansing/conversion, was recommended HPE any...
System views in a contained availability group
I have a query that runs in a job to check on orphaned users....
Question of the Day
The LAGging NULL
I have this data in a SQL Server 2022 table:
player yearid team HR Alex Rodriguez 2012 NYY 18 Alex Rodriguez 2013 NYY 7 Alex Rodriguez 2014 NYY NULL Alex Rodriguez 2015 NYY 12 Alex Rodriguez 2016 NYY 9If I run this code, what are the results returned in the hrgrowth column?
SELECT player , yearid , hr , hr - LAG (hr, 1, 0) IGNORE NULLS OVER (ORDER BY yearid) AS hrgrowth FROM dbo.playerstats;See possible answers