Learn how to use SQL to group data by one or more criteria, apply aggregate functions, ... For example, if you have a table of sales data with columns for product, region, ...

Example: Using GROUP BY in SQL. Consider a table named “sales” that stores information about sales transactions. The table has the following columns: ...

SQL (Structured Query Language) has been with us for more than half a century and it’s not going away anytime soon. Popular in both traditional relational databases and newer NoSQL databases ...

These are just screenshots of fully interactive charts within Cluvio using these SQL syntaxes to perform cohort anyalses: SELECT {nutrition_mealtotal.created_at:aggregation} eatmonth, ...

It is a SQL practice repository covering basics to advanced topics. It includes exercises on SELECT statements, WHERE clauses, GROUP BY, JOINS, window functions (OVER(), PARTITION BY), ROW_NUMBER(), ...

Abstract: Formulating database queries in terms of SQL is often a challenge for journalists, business administrators, and the growing number of non-database experts that are required to access and ...