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In this small article, I am going to show you how to use arrays in PostgreSQL. PostgreSQL has a built-in array type. PostgreSQL allows columns of a...
How to join PostgreSQL tables on a JSON array of ids. Joining tables is a common SQL operation that allows you to combine data from two or more tables...
How a covering index will improve performance by utilizing index only scans ยท Indexes in PostgreSQL All indexes in PostgreSQL are secondary indexes,...
