Hello to all, I have to design a SQL query on an Oracle 10 DB. I want to do it in an elegant way and avoid, if possible, using sub-queries and in the most portable way possible. Basically it's ...

In this article, I'll start with building simple SQL queries and then move to advanced queries that include joins between multiple tables. Although I'll be using examples from Microsoft's SQL Server ...

Self taught (and poorly at that) on SQL and I ran into something I cannot figure out if it is possible. Given that I have 2 tables: Cust_Info CI Cust_Rev_Info CRI I need to query CI with a child ...

Design & Dev Airbnb has open sourced its simple SQL query tool built on Facebook’s Presto tech March 6, 2015 - 9:57 am ...

Want faster SQL queries? Here are nine best practices for writing SQL queries that work like a charm (or at least, like they should).

SQL, the structured query language, is a programming language for communicating with databases. Variations on SQL are used by some of the most popular database tools in the world, including some ...

Writing SQL for performance can also avoid having to respond to an urgent problem with performance in a production environment. To a considerable extent, a person can choose whether they are running ...