CSV files serve as a lightweight, plain-text standard for tabular data storage that has become indispensable in cryptocurrency due to their simplicity, universal compatibility, and ability to organize ...

Who are these scripts for? You need to troubleshoot performance problems with SQL Server, and you need to do it now. You don't have time to track down a bunch of DMVs, figure out Extended Events, ...

In 2021, after catching the tech bug as a kid and earning a degree in communications, Ada got into tech writing by editing crypto guides. Ada's expertise now spans Windows, Android (especially Samsung ...

A (somewhat opinionated) list of SQL tips and tricks that I've picked up over the years. There's so much you can do with SQL but I've focused on what I find most useful in my day-to-day work as a data ...

To achieve this, you can use SQL queries that interact with the database's system tables or information schema views. The exact query can vary depending on the database system you are using (like ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

I recently had some interesting problems and learned some cool solutions while working in Power Query in Excel =] ! The first problem I had was that I was trying to create a dynamic SQL query based on ...

The table below shows my favorite go-to R packages for data import, wrangling, visualization and analysis — plus a few miscellaneous tasks tossed in. The package ...

The January 2017 JofA article “Data Mining Your General Ledger With Excel” presents a step-by-step, formula-based approach to extracting general ledger data and then scrubbing them so that they can be ...