Overview: SQL remains a core skill for data management across industries in 2026Free courses build fundamentals while paid ...

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 ...

This query doesn't work in super but does in Postgres. $ super -f parquet -o data.parquet -c "values {a:1},{a:1},{a:2}" && super -c "SELECT SUM(DISTINCT a) + SUM ...

Snowflake wants to reduce enterprises’ reliance on data engineers and data scientists for unstructured data analysis with its new SQL functions powered by generative AI. Snowflake is adding generative ...

Abstract: Increasingly expanding data analytics brings the need to store a large and structurally diverse amount of data. Related to this is the design of analytical data structures and performance ...

Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...

Databases are essential for storing and retrieving structured data supporting business intelligence, research, and enterprise applications. Querying databases typically requires SQL, which varies ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

I think it's a good start regarding the new JSON type, but got wrong behavior when using aggregate functions for JSON field types after some tests. Here're some cases. ┌─total─┐ 1. │ 3.3 │ └───────┘ 1 ...