PostgreSQL

  In the article “Postgresql Foreign Data Wrapper“, we created Foreign Data Wrapper to read data between two PostgreSQLs. And we have created Foreing Data …

  Postgresql is one of the RDMS databases presented in simple form. Therefore, we need to install the extension to use dblink, Foreign Data Wrapper, …

  If you don’t use PG ADMIN or any other similar application and you want to see the data type in the columns of the …

SQL Server is a relational database management system (RDBMS) that Microsoft has provided to us. You can find a lot of articles about SQL Server …

  You may receive an error as follows when you try to install a different extension package that is not in Postgresql’s repo. To solve …

  One of the features facilitating the management of PostgreSQL is that it hosts its basic document. We can easily learn a brief description of …

First we go to https://yum.postgresql.org and into PostgreSQL where we will download the repo. Since we will install PostgreSQL 10 in our example, we will …

  With PostgreSQL, it is very easy to manage the case “update if there is a record, if not, add”. In traditional methods, we first …

  In this article I will describe how to connect to remote PostgreSQL database with PostgreSQL dblink. Dblink usage is similar to other databases. but …

  PostgreSQL supports the CSV file format as a native. You can import data from a CSV file and add it to a table, or …