SQL Insider Drilling Down on Queries Now that you understand the basic structure of a SQL application, let's dissect the basis of information retrieval: the query. By Anil Desai 02/01/2001 For ...

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 ...

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 ...

Airbnb has open sourced Airpal, the tool it built to help employees get to data they need to use. It's built on Facebook's open source Presto SQL engine.

Anyone who can write a simple SQL query can begin prototyping queries for Hadoop data sets today on their desktop and view the results in the visualization tool of their choice, such as Excel ...

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 ...