Upserts in Amazon Redshift
This article discusses different approaches of Upserts (update+inserts) in Amazon Redshift
2023-08-09
30,207 reads
Articles
Meet the Summit 2023 Sponsors
Preparations for Summit 2023 are fully underway! We thought what better way to introduce you to some of this year’s sponsors than sit down with them and find out what they have in store for you in November…
2023-08-09
Ordered Columnstore Indexes in SQL Server 2022
One of the more challenging technical details of columnstore indexes that regularly gets attention is the need for data to be ordered to allow for segment elimination. In a non-clustered columnstore index, data order is automatically applied based on the order of the underlying rowstore data. In a clustered columnstore index, though, data order is not enforced by any SQL Server process. This leaves managing data order to us, which may or may not be an easy task.
2023-08-09
Standard Sponsor Rates End August 30!
Secure your Sponsorship package before the rates go up. PASS Data Community Summit 2023 is where the database community meets every year to make life-long connections with peers, network with industry leaders, and advance their careers. With over 170 technical sessions, and a great line-up of sponsors, this is your time to secure your space before August 30 and get a preferred booth location.
2023-08-09
Combine DATE and TIME to DATETIME2 in SQL Server
The most common method on the internet for combining DATE and TIME columns in SQL Server is incorrect. This article demonstrates why that and other methods are incorrect and two lesser known high performance methods that produce correct results even for the "edge cases".
2023-08-07
23,545 reads
7 Essential Factors for a Successful Cloud Migration: A Non-Technical Guide
Are you looking to modernize and migrate your data but have questions about the complex organizational challenges? We recently hosted the webinar: Overcoming Organizational Challenges in Data Modernization and Cloud Migration: A Guide for Senior IT Leaders. This blog post summarizes the conversation into 7 key points.
2023-08-07
Using Power Query to Combine Data from Multiple Sheets in Excel
This article employs Power Query features to combine queries and implement requirements in different listed scenarios.
2023-08-07
AutomatedLab - A Quickstart for Deploying SQL Server Labs on Windows
Learn how you can use AutomatedLab to quickly create new environments.
2023-08-04
2,827 reads
Modifying MySQL data from within Python
In the previous article in this series, I introduced you to how to access MySQL data from within a Python script. The article described how to use the MySQL Connector to establish a connection with a database and then retrieve data through that connection. In this article, I continue the discussion by demonstrating how to insert, update, and delete data in a MySQL database, again working with Python and the MySQL Connector.
2023-08-04
328 reads
How to List First or Last n% Records Using NTILE() in SQL Server
Sometimes, we need to find the first or last n% records from a dataset based on a particular column. For instance, a teacher wants to know which students are in the bottom 25% based on marks. Hence, in such situations, the SQL NTILE() function helps. We will leverage this tip to get first or last n% records using NTILE() in SQL Server.
2023-08-04
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The Max PK Length
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My experience using the GitHub Copilot in SSMS 22
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The Microsoft SQL Year in Review
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Question of the Day
The Max PK Length
If I create a multiple column Primary Key constraint, what is the most number of bytes I can include in the constraint?
See possible answers