Effective Queries with Rails and PostgreSQL

25/08/2022
687

Extracting data from databases is a major task of most Web applications. News websites, social networks, discussion forums, and your banking app have one thing in common: the need to retrieve information from a database. To make the process fast and efficient, we need to know how to structure not only the data but also information about where each record or a set of records are located. Int this article, we will dive into indexes, which hold all the necessary meta data to effectively query records from a database. This topic covers Rails’ basic approaches for effective queries using PostgreSQL as a database.
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