Abstract: We introduce a web-based SQL query visualisation tool aimed at improving students' understanding of SQL query execution. The tool, available as an Open Educational Resource (OER), allows ...

The simplest way to add an apostrophe before a date in Excel is to type it directly before the date when entering it in a cell. This method works best when you’re dealing with a small number of ...

Have you ever found yourself wrestling with an Excel formula, wondering why a seemingly simple task feels so complicated? For years, functions like VLOOKUP, CONCAT, and OFFSET were the go-to tools for ...

Abstract: SQL injection attacks have posed a significant threat to web applications for decades. They obfuscate malicious codes into natural SQL statements so as to steal sensitive data, making them ...

If you don’t have a backup of your MS SQL database, then follow the below ways to recover deleted data. Transaction log files record each change made to the ...

Applications may need to work based on different databases. Although the SQL syntax for various databases is generally consistent, differences still exist, which necessitates modifications to related ...

Notion formulas are a powerful tool for managing data, automating workflows, and enhancing the functionality of your workspace. The video below from Thomas Frank Explains explores Notion formulas ...