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Level up your LINQ skills with practical tips that make C# queries faster and easier to maintain. We cover let, Aggregate, GroupBy, ...

Presented at !!Con West 2019: http://bangbangcon.com/west SQL databases can do a lot. They are fantastic at making it easy to ...

See why left joins can create duplicate rows in your base table. Two easy methods to avoid those duplicates: Aggregating results ...

The portal.sqlite file can be downloaded here: https://ndownloader.figshare.com/files/11188550 Notes on how to create a file like ...

https://media.ccc.de/v/ASG2019-117-postgresql-at-low-level-stay-curious- Have you ever encountered a transient performance ...

This video is about filtering data in SQL. We're going to start where we left off last time with our 'SELECT' statement from the ...

SQL (the language) is not a third generation language, where the developer tells the computer every step it needs to take.

Welcome back MechanicaLEi, did you know that Data Manipulation commands are a set of commands using which we can ...

This video is about combining data from multiple tables in SQL. And just like in dplyr we do this using joins. So let's write a query ...

This video is about the order of different keywords or commands in SQL. The order of commands in SQL goes in a strict order.

Join this channel to get access to perks: https://www.youtube.com/channel/UC4C_tfy6WLDxzVVO3y6YinA/join This is my ...

Improve hybrid workloads with updates to SQL Server 2022, now generally available. Watch the full video here: ...

Have you ever wanted to know exactly how SQL Server stores data for temporary structures, such as for instance the spooled data ...

Filter Closest Cells - Power Query Challenge 06 (Step-by-Step Tutorial) In this video, we'll show you a quick and easy way to filter ...

Agile practices teach us how to deal with evolving applications but so often the data store is overlooked as a component of your ...

This video is a brief introduction to the idea of SQL databases for R users and how to set up RStudio to run SQL queries using an ...

In this first part of a series of videos on database design, I cover the basics: the purpose of database design and normalization, the ...

Daye Yoon, Technology Officer at TJWG, talks about things to keep in mind when moving from collected data to data in a ...

In this Power Query tutorial, we'll tackle a common data analysis challenge: filtering the first transaction for each month from a ...

Abusing NoSQL Databases Ming Chow Lecturer, Tufts University Department of Computer Science The days of selecting from a ...