PostgreSQL subqueries allow one SQL query to run inside another, making it possible to solve filtering, aggregation, ...

Space and Time CTO Scott Dykstra discusses how Proof of SQL lets smart contracts query verified Ethereum data in under a ...

Mobula, an on-chain data aggregator and infrastructure company, has been acquired by fomo, the New York-based social-first trading platform for on-chain markets, in a $17M transaction. Certain members ...

The world of wealth management is getting more complex. To stay competitive, firms are adopting a "best-of-breed" approach, picking specialized tech solutions and tools to build an optimized, ...

Oracle's ORCL database business notched its strongest growth signal yet in the fourth quarter of fiscal 2026, with the Oracle Multicloud AI Database expanding 404% year over year, a pace the company ...

In system development and data analysis using databases, the process of calculating the average of accumulated numerical values occurs frequently in daily operations. Today, I would like to introduce ...

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS). Attack vector: More severe the more the remote (logically and ...

In practical work, complex aggregation processes—such as extracting data from a database under specific conditions and then performing advanced calculations based on those results—occur frequently. In ...

Abstract: This paper presents a comparative performance analysis of SQL aggregate functions across three generations of Oracle Exadata Database Machine: X8M, X9M, and X11M. Utilizing ...

Abstract: Aggregation functions such as COUNT, SUM, AVG, MAX, and MIN are basic tools for summarizing data in SQL. However, their behavior can be affected by several factors such as the occurrence of ...

I am a Senior Author at XDA with a decade of experience covering consumer tech. I care more about the impact of technology on people’s everyday lives than the superfluous features companies keep ...