The core functionality of Apache Spark has support for structured streaming using either a batch or a continuous method. The two most popular sources of input data are data lake files and Kafka events. Check point files in the data lake are used to keep track of what data has been processed to date.
2025-03-14
This article shows a solution to the challenge of multiple databases on one RDS instance with different databases and the limitation of 5000 connections.
2025-03-12
710 reads
The documentation cautions that cumulative updates (CU) could fail if a specific registry key isn’t updated after moving the master files, so I wanted to test this before I spent too much time configuring the server.
2025-03-12
This guide will walk you through the process of deploy DACPAC to Azure SQL database directly from Visual Studio.
2025-03-10
1,478 reads
In the December 2023 Microsoft Power BI Desktop release, more than 50 new INFO DAX functions were added. They all start with “INFO.” and return the same result as corresponding data management views (DMVs) that were available before only using a SQL-like syntax. With these new DAX functions, you can use the recently added DAX query to get metadata about your semantic mode
2025-03-10
There are many functions and tools available to database professionals that can solve data math challenges, regardless of complexity.
2025-03-07
Learn about how you can efficiently load data in Azure Synapse.
2025-03-06 (first published: 2025-02-03)
1,133 reads
SQL 2022 introduced the function generate_series which permits us to solve problems for which we previously had to use a table of numbers (also known as a "tally table"). generate_series is a great addition, because when using a table of numbers there was always a risk that you could run out of numbers. Or some joker could have deleted rows from the table. All these worries are gone with generate_series.
2025-03-05
Geographic information systems (GIS) play a critical role in emergency response planning and risk assessment. One of the key challenges in this field is determining whether a specific location falls within an area of interest. This capability is especially valuable for property and casualty (P&C) insurers, who need to assess their insured property exposure when severe weather events such as tornadoes occur.
2025-03-04 (first published: 2025-03-03)
2,605 reads
Do you wonder why SQL Server ignores an index? Do you think about how you can deal with this problem? When you include too many columns in a query you decrease index selectivity. So, if you write a query like “Select * From …” the chance of choosing your nonclustered index will decrease.
2025-03-03
By Steve Jones
anderance – n. the awareness that your partner perceives the relationship from a totally...
By gbargsley
We’ve all been there. Someone walks up and asks, “Is SQL Server having issues?”...
By Chris Yates
In the beginning, there was OLTP – Online Transaction Processing. Fast, reliable, and ruthlessly...
Hello Everyone! My organization is looking to implement a solution in SQL Server (2019...
Nguyen Khanh Tung Email: traiphieu.com@gmail.com ORCID: 0009-0002-9877-4137 -------------------------------------------------------------------------------- Abstract This article presents a numerical...
True or False: Tables with a SPARSE column consume more space than regular columns if most values are NOT NULL.
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