PostgreSQL Download 12: How to Install the Latest Version of the World's Most Advanced Open Source Database
If you are looking for a robust, scalable, and secure database system, you might want to consider PostgreSQL. PostgreSQL is an open source database that has been around for more than 30 years and has a strong reputation for reliability, performance, and innovation. In this article, we will show you how to download and install PostgreSQL 12, the latest version of this amazing database, on your preferred platform.
What is PostgreSQL and why should you use it?
PostgreSQL is a powerful, reliable, and feature-rich database system
PostgreSQL is an object-relational database management system (ORDBMS) that supports a wide range of data types, functions, operators, indexes, and extensions. It can handle complex queries, transactions, concurrency, replication, backup, and recovery. It also supports full-text search, JSON, XML, GIS, and many other features that make it suitable for various applications and domains.
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PostgreSQL offers many advantages over other database systems
Some of the benefits of using PostgreSQL are:
It is free and open source. You can use it without any licensing fees or restrictions.
It is cross-platform. You can run it on Linux, macOS, Windows, BSD, Solaris, and other operating systems.
It is standards-compliant. It follows the SQL standard and supports many popular programming languages and frameworks.
It is extensible. You can customize it with user-defined types, functions, operators, aggregates, triggers, rules, and more.
It is community-driven. It has a large and active community of developers and users who contribute to its development and support.
What's new in PostgreSQL 12?
PostgreSQL 12 improves query performance and space utilization
One of the main improvements in PostgreSQL 12 is the optimization of query execution and storage management. PostgreSQL 12 uses a new technique called just-in-time (JIT) compilation to speed up complex queries by compiling them into native code. It also uses a new method called partition pruning to reduce the amount of data scanned by queries that involve partitioned tables. Additionally, PostgreSQL 12 reduces the space required by B-tree indexes by deduplicating index entries that point to the same heap tuple.
PostgreSQL 12 introduces new features and enhancements
Besides performance improvements, PostgreSQL 12 also adds some new features and enhancements that make it more user-friendly and versatile. Some of these features are:
Generated columns. You can define columns that are computed from other columns using expressions.
REINDEX CONCURRENTLY. You can rebuild indexes without blocking writes to the table.
SQL/JSON path expressions. You can query JSON data using a standardized syntax.
Case-insensitive collations. You can sort and compare strings without regard to case.
Pluggable table storage interface. You can use different storage engines for different tables.
How to download and install PostgreSQL 12 on different platforms?
Downloading PostgreSQL 12 from the official website
The easiest way to download PostgreSQL 12 is to visit the official website and choose the appropriate package or installer for your operating system. You can also find the source code, documentation, and other resources on the website.
Choosing the right package or installer for your operating system
Depending on your operating system, you may have different options for downloading PostgreSQL 12. For example, if you are using Linux, you can choose from various distributions such as Debian, Ubuntu, Fedora, CentOS, and more. If you are using macOS, you can choose from different installers such as Postgres.app, Homebrew, or MacPorts. If you are using Windows, you can choose from different versions such as 32-bit or 64-bit.
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Using the interactive installer by EDB or the zip archive of the binaries
One of the most popular and convenient ways to download and install PostgreSQL 12 is to use the interactive installer by EDB, which is available for Linux, macOS, and Windows. This installer will guide you through the installation process and allow you to customize various settings such as the installation directory, the port number, the superuser password, and more. Alternatively, you can download the zip archive of the binaries, which contains the pre-compiled executables and libraries for PostgreSQL 12. You can extract this archive to any location on your system and run PostgreSQL 12 from there.
Installing PostgreSQL 12 on Linux, macOS, Windows, BSD, or Solaris
Following the installation instructions for your platform
Once you have downloaded PostgreSQL 12, you can follow the installation instructions for your platform. The instructions will vary depending on your operating system and the method of installation you chose. For example, if you are using Linux and you downloaded a distribution-specific package, you can use the package manager of your distribution to install PostgreSQL 12. If you are using macOS and you downloaded Postgres.app, you can simply drag and drop it to your Applications folder. If you are using Windows and you downloaded the interactive installer by EDB, you can double-click it and follow the steps.
Verifying the installation and running PostgreSQL 12
After installing PostgreSQL 12, you can verify that it is working properly by running some commands in a terminal or a command prompt. For example, you can use the psql command to connect to the default database and run some queries. You can also use the pg_ctl command to start, stop, or restart PostgreSQL 12. You can find more information about these commands in the documentation.
Conclusion
PostgreSQL 12 is a great choice for your database needs. It is a powerful, reliable, and feature-rich database system that supports many data types, functions, operators, indexes, and extensions. It also offers many advantages over other database systems such as being free, open source, cross-platform, standards-compliant, extensible, and community-driven. In this article, we showed you how to download and install PostgreSQL 12 on your preferred platform. We hope that this article was helpful and that you enjoy using PostgreSQL 12.
Frequently Asked Questions
Q: How do I upgrade from an older version of PostgreSQL to PostgreSQL 12?
A: You can use the pg_upgrade tool or the pg_dumpall/psql method to upgrade from an older version of PostgreSQL to PostgreSQL 12. You can find more details about these methods in the documentation.
Q: How do I uninstall PostgreSQL 12 from my system?
A: You can uninstall PostgreSQL 12 from your system by following the instructions for your platform. The instructions will vary depending on your operating system and the method of installation you chose.
Q: How do I get help or support for PostgreSQL 12?
A: You can get help or support for PostgreSQL 12 by visiting the official website and accessing various resources such as documentation, tutorials, forums, mailing lists, IRC channels, blogs, podcasts, books, and more.
Q: How do I contribute to PostgreSQL 12 development or community?
A: You can contribute to PostgreSQL 12 development or community by joining the mailing lists, reporting bugs, submitting patches, translating documentation, donating funds, sponsoring events, or becoming a member of the PostgreSQL Global Development Group (PGDG) or a PostgreSQL User Group (PUG).
Q: How do I learn more about PostgreSQL 12 features and enhancements?
A: You can learn more about PostgreSQL 12 features and enhancements by reading the release notes, the documentation, the blog posts, the podcasts, the books, or the tutorials that cover PostgreSQL 12.
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