Now that you understand the basic structure of a SQL application, let's dissect the basis of information retrieval: the query. For many techies, especially those that focus on systems administration, ...
Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how. Simply use the DISTINCT clause and between the SELECT clause and the fields.
Microsoft today introduced the launch of Azure Data Lake Analytics, a new cloud-based service for running queries on big data stored in the Microsoft’s growing public cloud. It uses a new ...
SQL is about as easy as it gets in the world of programming, and yet its learning curve is still steep enough to prevent many people from interacting with relational databases. Salesforce’s AI ...
RIGHT JOIN (or RIGHT OUTER JOIN): It’s the opposite of a LEFT JOIN. It keeps all rows from the right table and matches from ...
I know this one is gonna be pretty simple... I'm just not sure of the exact syntax. I know it has something to do with "distinct" but I'm not sure the context to use ...
Airbnb has open sourced Airpal, the tool it built to help employees get to data they need to use, reports Gigaom. The software is built on the open source Presto SQL engine, which was created by ...
A recent project at my current employer called for creating a new web frontend to an existing MSSQL database. My boss, having created a sophisticated MySQL and PHP-driven black diamond web site in PHP ...