PostgreSQL

In today’s article, we will explain how to change the OWNER when creating a database and after it has been created in PostgreSQL. PostgreSQL provides …

In today’s article, we will explain the PostgreSQL role authentication methods, including trust, md5, sha256, and ident on pg_hba.conf. Authentication in PostgreSQL involves the use …

In this article, we will learn how to authorize users created on a cluster based in PostgreSQL. When authorizing at the cluster level, if there …

In this article, we will discuss the detection and prevention of indexes created on the same columns in PostgreSQL. In this way, we can both …

In this article, I will talk about how we can set conditions when creating an index in PostgreSQL. As everyone knows, when creating an index, …

In today’s article, we will be talking about how to use the EXPLAIN concept and its types to understand and optimize SQL queries. In Database …

In today’s article, we will learn how to use functional indexes in PostgreSQL to obtain fast access to data based on the results of function …

In this tutorial, you will learn how to create PostgreSQL multicolumn indexes, which are indexes defined on two or more columns of a table. First, …

In this article, you will learn how to create a PostgreSQL unique index to ensure the uniqueness of values in one or more columns. When …

In today’s article, we will discuss the B-tree index, which is a balanced tree data structure used to store indexed values ​​in a sorted order. …