An unpatched SQL injection vulnerability in the Ghost content management system has been weaponized in an active, large-scale cyberattack that has compromised more than 700 websites worldwide — ...

Power Query and Power Pivot help Excel users manage large datasets more efficiently. Power Query focuses on cleaning and preparing data, while Power Pivot handles analysis and reporting. Together, ...

I recently ran into a classic T-SQL headache: trying to get a dynamic PIVOT to play nice with local temp tables in a high-concurrency environment. The problem? Most people use global ##temp tables to ...

DuckDB is an amazing tool with deep integration with Python and R, but sometimes you just need data in Excel. xlDuckDb allows DuckDB SQL to be run within Excel. Query results are returned as regular ...

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 ...

When using spreadsheets, you often find yourself in a situation where: 'I just want to get a total, but I'm not sure which method to use.' 'I could use SUMIF, or QUERY, or even a Pivot Table...' It's ...

Every data engineering team right now is being asked the same question: "How do we build a chatbot that talks to our data?" The prototypes are deceptively simple. A developer connects GPT-5.1 to a ...

Interviews for data analysts test technical and business understanding. Practicing real examples helps you explain your thought process better. Strong communication is as essential as technical ...

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There are many database management systems (DBMS) out there. But there is no one-size-fits all database system. All take different trade-offs to better adjust to specific use cases. DuckDB is no ...

Both groupby and pivot_table are powerful tools in Pandas for data aggregation and analysis, but they have different use cases and functionalities. Here are the key differences between them: Groupby ...