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When developing an application, developers must understand the different ways they can use to interact with the database. This knowledge will help improve development efficiency because they will know the best way to solve a specific proble...

When we try to connect to the database, Postgres uses SSL to verify the security of the connection. It is disabled by default in HTTP, but in HTTPS, we need the SSL mode of the connection to perform any operation in the Postgres database. I...

This short article shows how to restart PostgreSQL in Ubuntu. Restart PostgreSQL Server in Ubuntu You can restart Postgres server in Ubuntu using the following command. Order: sudo service postgres restart Sometimes the above command does n...

When we develop applications, we end up hosting them with the desired cloud providers under specific monthly or annual subscriptions. Depending on your plan, these subscriptions provide us with different services like data stored in databas...

Unlike SQL Server, PostgreSQL does not have a built-in DATEDIFF function to calculate the difference between dates. However, you can use expressions that include other functions provided by PostgreSQL to obtain the difference between dates....

In this tutorial, we will learn how to insert data from a database hosted on a remote server into a database in our local computer. We will use the remote service provider Heroku PostgreSQL, which offers a free plan for testing purposes. In...

PostgreSQL provides many functions and operators for built-in data types. This tutorial will give an example of extracting the date from a timestamp in PostgreSQL or Postgres. CAST Extracting the date from a timestamp using the operator in...

In this article, we will learn how DATEFIELD to find the day of the week from a given in the table in PostgreSQL. We will also learn about different operations that you can use to manipulate and work with DATEFIELD the data in . We use EXTR...

Before we begin, let's define what a timestamp is in SQL. From the PostgreSQL documentation under the DATE/TIME heading, a timestamp is a data type that stores a date and time in the following format. YYYY-MM-DD hh:mm:ss (DATE | TIME) The s...

with Statements are used to create temporary tables, which means that these tables are not persisted in the database and exist only in memory until the query is completed. The statement was introduced with to break down complex queries into...