SQL remains the foundation for turning raw records into reports and business insights across industriesCore queries like ...

Note: this isint related to my other thread.<BR><BR>Hey<BR><BR>Im writing a php app to collect statistics about our platform. I have about 40 different count(*) querys to run against a mysql database.

This repository provides mobile network operators with code and guidelines to produce aggregates from their raw CDR data (Call Detail Records), originally developed in the context of the COVID-19 ...

I have a table that logs a record containing a userid, a fileid and a date, one record inserted every time that file is downloaded.<BR><BR>I want to get the top 10 downloads by count for a given date ...

Return the number (count) of vowels in the given string. We will consider a, e, i, o, u as vowels for this Kata (but not y). The input string will only consist of lower case letters and/or spaces. -- ...