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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 ...
You can use a web framework to display SQL data on a web page, write simple SQL queries yourself to link a website to a database or use a data visualization tool to generate charts and graphs ...
Design & Dev Airbnb has open sourced its simple SQL query tool built on Facebook’s Presto tech March 6, 2015 - 9:57 am ...
If you find yourself taking the same subset of data from a big table and running smaller queries against it, you can speed things up for yourself and others by persisting the subset elsewhere, and ...
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 ...