Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...

One approach that can help is to denormalize the database, as this reduces SQL query ... indexes in PostgreSQL. Each has a different use case, and each has its own overheads. B-tree is the most ...

PostgreSQL 17 significantly expands its SQL/JSON capabilities ... Optimization of queries using the IN clause with B-tree indexes. These are PostgreSQL's standard index type.

The gains will be noticeable for queries that use the ‘IN’ clause with a B-tree index ... by PostgreSQL contributor EDB are incremental backups, logical replication and SQL: JSON functionality.

MySQL and PostgreSQL are two of the most used open source SQL databases, and both fulfill the role of a general-purpose database well. How do you choose which one to use for a project? Let's look at ...