Author: Faris Khalil
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PostgreSQL vs SQLite
PostgreSQL and SQLite are the most extensively used relational database management systems (RDMS). They both are open-source software, but they have some major differences, which should be considered when selecting a database for our business purposes. In this section, we are going to discuss the differences between PostgreSQL and SQLite database systems based on various aspects. But,…
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PostgreSQL vs Oracle
PostgreSQL and Oracle are the two famous relational databases where PostgreSQL is open-source RDBMS, and Oracle is Commercial RDBMS that is available in various versions. In this section, we are going to discuss the differences between PostgreSQL and Oracle database systems based on various aspects. What is PostgreSQL? PostgreSQL is the most popular Object-Relational Database Management System used to manage the relational database and securely store it.…
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PostgreSQL vs MariaDB
PostgreSQL and MariaDB both are the types of relational database management system (RDBMS), where both the software are open-source RDBMS and used to store data in the database. In this section, we are going to discuss the differences between PostgreSQL and MariaDB database systems based on various aspects. But, first, we are going to learn the necessary…
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PostgreSQL vs SQL Server
PostgreSQL and Microsoft SQL Server are extensively used in the relational database management system and compatible with several small and large enterprise applications, even though both databases come with different editions based on the developer’s requirements. In this section, we are going to discuss the differences between PostgreSQL and SQL server database system based on the various aspects. Note: The RDBMS offers…
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MongoDB vs PostgreSQL
MongoDB and PostgreSQL are the two most standard databases that are used for the enterprise application. Even though both the databases are open-source, and they have several differences. In this section, we are going to discuss the differences between MongoDB and PostgreSQL database system based on various aspects. What is MongoDB? It is a document-oriented,…
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PostgreSQL versions
In this section, we are going to learn about all the previous and latest versions of PostgreSQL. Versioning is a procedure of classifying either single version names or numbers to the particular set of software as it is released and established. When the new version receives the bug fixes, security fixes, and announced with the higher version number than…
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PostgreSQL EXCEPT
In this section, we are going to understand the working of the PostgreSQL EXCEPT operator, which is used to return the rows in the initial command that do not appear in the output of the second command. And the examples of the PostgreSQL Except operator with single and multiple Expression and the order by clause. What is PostgreSQL Except operator? In PostgreSQL, the EXCEPT operator is used…
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PostgreSQL INTERSECT
In this section, we are going to understand the working of the PostgreSQL Intersect operator, which is used to merge the output of multiple commands. And the examples of the PostgreSQL intersect operator with single, multiple Expression and with Order by clause. What is a PostgreSQL Intersect operator? In PostgreSQL, the INTERSECT operator retrieves any rows available in both the outputs, just like UNION and Except Operators. In other words,…
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PostgreSQL Union
In this section, we are going to understand the working of the PostgreSQL UNION operator, which is used to combine the output of various commands into a single output. And the examples of the PostgreSQL union command with PostgreSQL union all using the order by clause. What is the PostgreSQL UNION operator? In PostgreSQL, the UNION operator combines one or more SELECT commands into a…
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Psql commands
In this section, we will see the list of most commonly used psql commands, which help us to query data from the PostgreSQL database server faster and more effectively. In SQL shell(psql), we have n-numbers of commands, but here we will talk about some of the most commonly used commands. Connect to PostgreSQL database If we want to connect the…