PostgreSQL Tutorial for Beginners
Updated on Jul 03, 2023 | 8 min read | 6.0k views
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Updated on Jul 03, 2023 | 8 min read | 6.0k views
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PostgreSQL comes with a long history worth 15 years of active development. As a result, the database system has evolved into a powerful and proven architecture delivering reliability. It also plays an active role in data integrity. The best part- PostgreSQL runs on almost all operating systems, including Mac OS, Windows, Linux, UNIX, etc.
Let’s take an in-depth insight into understanding PostgreSQL and its significance in programming.
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PostgreSQL is an enterprise-class open-source database. This database management system is object-relational and stores data in rows, with columns as separate data attributes. The database management system supports both JSON and SQL for non-relational and relational queries for SQL and extensibility compliance.
The database helps store, process, and retrieve data safely while supporting performance optimisation features and advanced data types. Global volunteers contributed to the development of this database with countless features ranking PostgreSQL as one of the most popular databases.
These are some of the essential features of PostgreSQL:
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PostgreSQL has attractive features, causing database management systems to have diverse practical applications. Industries using PostgreSQL include:
PostgreSQL, with its scalability, is the best solution for websites dealing with thousands of requests per second. In addition, PostgreSQL supports all modern web frameworks like Node.js, PHP, Node.js, Hibernate, etc. The database also has replication features to scale out the desired number of database servers.
PostgreSQL is an ideal DBMS system for the financial industry. It is ACID-compliant, a perfect choice for Online Transaction Processing (OLTP). In addition, PostgreSQL allows performing database analytics and can be integrated with various mathematical software like R and Matlab.
PostgreSQL offers exceptional analytical capabilities and a powerful SQL engine to deal with extensive data retrieved while scanning countless scientific research materials. PostgreSQL’s ability to easily manage enormous data makes it ideal for scientific research.
Industrial manufacturers use PostgreSQL to speed up their overall business process. PostgreSQL also plays a crucial role in optimising supply chain performance using open-source DBMS as a storage backend and accelerating business operations. As a result, many businesses have claimed PostgreSQL to lower the operational costs of their business.
PostgreSQL comes with a powerful GIS, known as “PostGIS”. With this extension, you can process hundreds of functions and geometric data in various formats. Moreover, PostgreSQL is highly standard compliant. Using both QGIS and GeoServer, the Open Source Community provides a simple method to handle Geodata.
Follow the given steps for downloading and installing PostgreSQL:
Visit https://www.postgresql.org/download/ and choose your operating system to install the database system.
Next, open the installer .exe file to start the installation process.
Select the preferred language.
Locate the path for PostgreSQL software installation on the system.
Now select the components that you want to install.
Set the superuser password.
Set the port number as default.
Click the ‘Next’ button to start the installation.
Follow these steps to start using PostgreSQL:
Go to Start Menu and search pgAdmin 4.
The pgAdmin homepage will open.
Now click on Servers ⇒ PostgreSQL 10 in the left tree.
Enter the superuser password set during the installation process. Once done, click on the OK button.
PostgreSQL dashboard will open.
Some advantages of the PostgreSQL system are as follows:
PostgreSQL, sometimes known as Postgres, is a feature-rich open-source relational database management system. In this part, we’ll look at some of PostgreSQL’s advanced features that may help you take your database administration abilities to the next level.
PostgreSQL has a number of sophisticated features, including:
PostgreSQL has a dynamic and active community that is always working to improve the database system and add new features. Let’s look at some of the upcoming PostgreSQL trends and developments:
PostgreSQL is developed to accommodate different data models, including document-based, graph-based, and key-value data storage. This enables developers to select the best model for their individual use cases, allowing for polyglot persistence.
Like every database system, the PostgreSQL database has its own set of disadvantages. Some of them are as follows:
This PostgreSQL tutorial for beginners gives a basic idea of the PostgreSQL database. However, if you are interested in pursuing a career in this subject, you can always go for an advanced course in PostgreSQL. You can find suitable guides and PostgreSQL tutorials for advanced levels.
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