MariaDB vs PostgreSQL: 14 Essential Variations

by | Jul 26, 2022 | Etcetera | 0 comments

Databases are essentially the backbone of any software. With a variety of databases in the market and the increasing approval for open-source databases, many developers and firms share a not unusual concern: How do you pick the right kind one?

In this article, we’ll be discussing the best two trendy open-source databases — MariaDB and PostgreSQL.
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While PostgreSQL has been spherical for two decades and is exceptional when it comes to its stability, MariaDB has moreover showed itself as a perfect database gadget, forked from none as a substitute of MySQL, necessarily probably the most used database gadget. Every MariaDB and PostgreSQL fortify a ton of choices like replication, excellent safety, and much more for free of charge.

When you’re torn between MariaDB and PostgreSQL, concern now not. We’ll be exploring the fairly numerous choices of the databases, together with their use cases and — most importantly — their permutations.

Let’s dig in!

What Is MariaDB?

The MariaDB logo, showing the text next to a stylized brown sea lion with a blue border.
MariaDB brand. (Image provide: MariaDB)

MariaDB is an open-source, extraordinarily scalable database created by the use of the founders of MySQL in 2009 after being won by the use of Oracle. While it’s very similar to MySQL, it has complex significantly since its inception.

For starters, MariaDB offers improved potency normally and is basically GPL licensed. You’ll have the ability to each use the open-source staff version or request a quote for the project version, which you’ll want to consider in the event you’re enforcing your software on large-scale platforms or the cloud. On the other hand, all choices are available throughout the open-source bundle deal and now not distinctive to the project version.

Together with being a really cast drop-in change for MySQL, MariaDB is helping JSON and hybrid wisdom formats allowing wisdom to be merely stored, retrieved, and manipulated. The documentation for MariaDB buses and roadmaps is freely available as well.

What Is PostgreSQL?

The PostgreSQL logo, showing the text below a stylized blue elephant head outlined in black and white.
PostgreSQL. (Image provide: Uberconf)

PostgreSQL is a complicated relational database gadget that has been spherical since 1997. It is helping standards-compliant sorts of transaction isolation, at the side of serialization, be informed, devoted, and repeatable be informed. The ones methods provide complete ACID compliance, thus making PostgreSQL a really cast database that can do just about the whole thing — at the side of great extension fortify for NoSQL, React, and Redis, to name a few.

It’s backed by the use of more than two decades of building by the use of the open-source staff and undergoes popular updates, which include the constant addition of latest pieces of documentation. No longer most simple can this documentation have the same opinion troubleshoot or keep practice of issues, but it surely’s moreover a great tool of reference to build up or reinforce upon PostgreSQL’s choices for long run documentation. Additionally, PostgreSQL is an overly protected and constant database, as all computer virus fixes go through a variety of rounds of rigorous checking out.

Number one Choices of MariaDB

MariaDB has a variety of choices that make it a perfect database, at the side of its large choice of storage engines, thread pooling, SQL compatibility, and parallel query execution.

Listed here are the highlights:

  • Storage engines: Some of the the most important choices that make MariaDB stand out is the selection of storage engines to make a choice from. PBXT, XtraDB, Maria, and FederatedX are a few viable engine possible choices and can be tailored to your must haves. It moreover houses InnoDB, a general-purpose storage engine recognized for balancing over the top reliability and over the top potency.
  • Thread pooling: A thread pool is a choice of worker threads that effectively execute asynchronous callbacks on behalf of the application. When a request is made, MariaDB can simply obtain a prior to now created thread that’s already throughout the pool. This saves the time taken to create a thread and gives a approach to thread cycle overhead, allowing queries to run sooner and return quicker results.
  • SQL compatibility: MariaDB offers fortify for the majority of SQL statements, variables, definitions, and functions by means of consumer techniques (e.g. mysqldump, mysqladmin) and plugins (identical to an audit plugin). Developers can also leverage JSON functions, window functions, and not unusual table expressions (CTEs) in MariaDB.
  • Virtual columns: The fortify for virtual columns is likely one of the most important choices of MariaDB and can be used to perform calculations at the database level. When a couple of apps get right to use one column, shoppers don’t have to write down down calculations in each app separately; the database does it on their behalf.
  • Parallel query execution: From version 10.0 on, you’ll execute a variety of queries at the same time as without potency degradation, leading to sooner job execution.

Number one Choices of PostgreSQL

Together with being open-source, PostgreSQL boasts more than a few choices. Partitioning, load balancing, and connection pooling all artwork with PostgreSQL to supply it a considerable edge over its contemporaries.

Proper right here’s a list of a few salient choices of PostgreSQL:

  • Reinforce for JSON wisdom: The ability to query and store JSON we could in PostgreSQL to run NoSQL workloads as well. When you’re designing a database to store wisdom from a couple of sensors and likewise you aren’t sure regarding the particular columns that you’re going to wish to fortify the sensors, you’ll collect a table such that one of the vital columns adheres to JSON format to store the continuously changing or unstructured wisdom.
  • Robust extensions: PostgreSQL houses an impressive feature set that incorporates point-in-time recovery, multi-version concurrency keep watch over (MVCC), tablespaces, granular get right to use controls, write-ahead logging, and online/sizzling backups. PostgreSQL is also locale-aware for case sensitivity, sorting, and formatting. It’s extraordinarily scalable in each and every the volume of data it is going to smartly prepare and the choice of simultaneous shoppers that can be accommodated.
  • Knowledge updates: A few sorts of the federation, mixed with replication, provide each and every push and pull technologies for almost any more or less wisdom gadget. The ones can be mixed in numerous configurations to bridge database storage solutions, without requiring the ELT/ETL processing bundle deal. Knowledge isn’t moved out of the provision gadget the least bit, on account of this that the tips is always up to date.
  • Check out-driven building: PostgreSQL follows test-driven building, where each and every computer virus is met with a test, and code is written to fulfill the test. The ones tests are integrated so that bugs don’t reappear in long run permutations of PostgreSQL. A brand spanking new change of PostgreSQL is most simple introduced when all the regression test cases move.
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MariaDB Use Cases

With its increasing reputation, MariaDB has showed to be a ravishing and constant database gadget. It’s used as a backend database gadget for Samsung, Nokia, and even Walgreens!

What’s additional, a variety of present softwares can be leveraged to migrate from MySQL to MariaDB, identical to phpMyAdmin and WordPress, the sector’s most fashionable content material control machine (CMS). The ones softwares help you extend the already flexible database solution even further.

Listed here are some excellent methods of MariaDB:

  • Just right transactions: MariaDB Enterprise is helping good transactions (i.e. hybrid transactional/analytical processing or HTAP) by the use of combining row storage optimized for fast transactions with columnar storage optimized for fast analytics. With good transactions, developers can enrich information superhighway and mobile methods with real-time analytics, which helps you to create additional insightful purchaser research driven by the use of compelling wisdom.
  • Analytics: MariaDB can be deployed as a data warehouse or analytics database the use of columnar storage and hugely parallel processing (MPP) to perform interactive ad hoc queries on quite a lot of billions of rows without rising indexes — and with usual SQL (at the side of joins). What’s additional, MariaDB Enterprise implements a cloud-native storage construction and can optionally use Amazon S3 suitable object storage to lower costs and benefit from endless capacity. Shoppers can analyze a big amount of data without a want to create an index for each and every conceivable query.

PostgreSQL Use Cases

With PostgreSQL’s versatility, it’s no marvel that giants like Uber, Netflix, and Instagram use PostgreSQL in their backend. Listed here are a few important use cases of the database:

  • Geospatial database: When used together with the PostGIS extension, PostgreSQL is helping geographic pieces and can be utilized as a geospatial wisdom store for geographic knowledge ways (GIS) and location-based services. This can be invaluable throughout the building of location-based apps.
  • Backend database for LAPP stack: A substitute for the LAMP stack, LAPP stands for Linux, Apache, PostgreSQL, and PHP (or Python and Perl). PostgreSQL is part of the LAPP stack and is used as a powerful backend database to run dynamic apps and websites.
  • Commonplace-purpose OLTP database: Many large enterprises and startups use PostgreSQL as the main wisdom store to fortify their internet-scale methods, products, and solutions.

MariaDB vs PostgreSQL: Head-to-Head Comparison

Now it’s time to pit the ones two database solutions towards each other. Let’s uncover how MariaDB stacks up towards PostgreSQL and vice versa.

Construction/Report Taste

Every MariaDB and PostgreSQL have relational database keep an eye on ways (DBMs) as their maximum essential database kind.

Their secondary database kind is the document store; on the other hand, most simple MariaDB can also incorporate graph DBMs.

Every MariaDB and PostgreSQL employ a shopper/server construction kind, where the server is accountable for managing the database data, accepts connections to the database from consumer methods, and performs database actions on behalf of the customers. The client or the frontend device most often performs the database operations.


Every MariaDB and PostgreSQL come with extensible construction meant for customization. Shoppers requiring certain additional capacity for their needs can put into effect it the use of shared libraries, which allow developers to customize the code to their liking.

MariaDB is helping many more than a few SQL modes, partitioning, database backup and restoration procedures, server monitoring, and logging. You’ll have the ability to even create your functions, wisdom sorts, operators, window functions, or absolutely anything. Don’t see a feature you prefer? You’ll have the ability to create and customize it from the provision code itself, because of its open-source license.

Even supposing PostgreSQL provides native fortify for JSON and XML, it is going to smartly merely be extended. So, if you want to assemble a information superhighway service and use PostgreSQL since the backend database machine or leverage Python map fortify for your small business use case, you’ll go for it without a want to be troubled about any hiccups.

What makes PostgreSQL so extensible is its catalog-driven operations. PostgreSQL helps to keep all information about the columns and tables, together with details regarding the wisdom sorts, functions, and get right to use methods supply.


There are 4 most important kinds of indexes in MariaDB, in particular: maximum essential keys (unique and now not null); unique indexes (unique and can be null); simple indexes (now not necessarily unique); and full-text indexes (for full-text taking a look out).

PostgreSQL provides a much broader range of unique index sorts to check any query workload effectively, identical to B-tree, hash, GiST, SP-Gist, GIN, and BRIN. PostgreSQL further is helping function-driven indexes, partial indexes, and covering indexes that aren’t mutually distinctive, on account of this you’ll moreover use they all at the an identical time.

Additionally, each and every MariaDB and PostgreSQL offer fortify for full-text indexing and taking a look out.

Language and Syntax

MariaDB and PostgreSQL each and every fortify fairly numerous SQL statements, rules, functions, and procedures, together with more than a few database connectors, at the side of C, C++, Perl, PHP, and Python, to name a few.

PostgreSQL can also put into effect not unusual table expressions (CTE), language keep watch over structures (if, for, case, and plenty of others.), and structured error coping with.


MariaDB offers fortify for partitioning by means of sharding with the Galera Cluster/Spider storage engine, together with horizontal partitioning of the table. That is serving to bolster MariaDB’s query potency. With MariaDB, you’ll moreover store continuously accessed fresh wisdom in a separate partition from your hardly referenced historic wisdom, leading to higher get right to use speeds.

PostgreSQL, then again, doesn’t fortify any of the ones. Even supposing we’re eager for what’s to go back at some point, there’s now not however an selection for table partitioning in PostgreSQL.


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PostgreSQL possesses the possibility of offering sooner writes and reads, which makes it the truly useful variety where turnaround time and tempo of data get right to use play a vital operate throughout the business operation. PostgreSQL is also the go-to variety when the amount of data to be handled by the use of the database is substantial.

On the other hand, MariaDB houses a complicated thread pool ready to running sooner and supporting up to 200,000+ connections complete with 12 new storage engines that let it to go head-to-head with PostgreSQL when it comes to query processing tempo.

Monitoring and Control Equipment

Since databases are important software components, there’s an unlimited multitude of drugs to make a choice from for monitoring, control, control, and troubleshooting purposes.

Basic Control Equipment

The following command line methods are great for basic control tasks:

  • psql (PostgreSQL)
  • mysql (MariaDB, MySQL)

Since the ones equipment come built in with their respective servers, each and every psql and mysql are always available, right kind from arrange. Every psql and mysql have a command history that allows you to re-run prior to now completed directions and queries, along with a set of built-in directions that can facilitate interacting with the database. As an example, psql uses the d command to report your entire databases, and mysql uses the status command to extract knowledge similar to the server uptime and version.

MariaDB and PostgreSQL moreover offer the following skilled graphing equipment:

  • pgAdmin4 (PostgreSQL)
  • MySQL Workbench (MariaDB, MySQL)

Potency Dashboard Equipment

Apart from the aforementioned command line and graphing methods, each and every MariaDB and PostgreSQL moreover offer other, additional extraordinarily specialized equipment. One such software is the PgHero, created by the use of PostgreSQL as a whole potency dashboard.

The PGHero dashboard, showing the menu and description below a blue title strip that says PgHero.
PGHero dashboard. (Image provide: PgHero)

In MariaDB, you’ll leverage MySQL Tuner for the same purpose as PgHero. MySQL Tuner is a Perl script that can analyze your database statistics and setup to generate configuration tips.

Log-Parsing Equipment

You’ll have the ability to use log-parsing equipment like MariaDB’s pt-query-digest to help you pinpoint slow queries. Pt-query-digest can analyze your logs and run test queries to identify the slowest queries to be able to optimize them accordingly.

PostgreSQL offers pgBadger for an identical log-parsing purposes. It’s a snappy and easy software to research your SQL guests and generate HTML5 reports complete with dynamic graphs.


MariaDB is deemed suitable for smaller databases and is able to storing wisdom in memory, a feature now not introduced by the use of PostgreSQL. PostgreSQL, then again, leverages an internal cache together with the server’s internet web page cache for extracting continuously accessed wisdom, which allows it to outperform MariaDB’s query cache.

PostgreSQL moreover offers fairly numerous complicated choices, identical to partial indexes and materialized views, to optimize database potency. With materialized views, you’ll pre-calculate pricey aggregation and join operations and store the ends up in a table inside a database, allowing you to reinforce the potency of complex queries that get fired continuously and get right to use a large amount of wisdom to procure their results.

Partial indexes are generated on query results and now not on each and every row of a table. In most cases, queries dabble with only a subset of the rows in a table, in line with over the top task/recency. If a partial index is generated for query results that come from those continuously accessed rows, it may end up in so much sooner query execution.

The ones choices turn out to be useful whilst you’ve were given a large dataset with fairly numerous wide tables that wish to be joined continuously to generate aggregates. Considerably, on the other hand, the ones choices are absent from MariaDB.


For MariaDB, the licensing value is more or less $4,000/365 days. The actual value is in line with the choice of posts you’re making and the software you choose. MariaDB moreover offers a self-hosted, open-source selection that works well for inexperienced persons looking to acquaint themselves with the massive world of MariaDB.

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PostgreSQL is known as an on-premise, open-source platform that’s widely leveraged by the use of developers world for its ease of operations, versatility, and scalability. On the other hand, if you happen to’re feeling chances are high that you’ll need popular fortify, you’ll take a look at PostgreSQL’s commercial version, ceaselessly known as EnterpriseDB.

Knowledge Typing

MariaDB is additional flexible than PostgreSQL when it comes to wisdom typing. It’s going to most probably autocorrect the tips to check the holiday spot wisdom type, accept the tips, and purpose an alert. Therefore, MariaDB is the go-to pick for methods that wish to react intuitively to discrepancies in wisdom input.

PostgreSQL, then again, is additional stringently typed, on account of this that if incoming wisdom is relatively unconventional with the holiday spot wisdom type, PostgreSQL will throw an error and won’t allow insertion. PostgreSQL leans towards strict wisdom integrity.

Replication and Clustering

With at the back of agenda replication, you’ll define an time period (in seconds) during which the replication secondary will lag in the back of the primary. This is to ensure the secondary shows the state of the primary from some time throughout the fresh earlier.

MariaDB is helping asynchronous multi-source replication and primary-secondary replication. As such, semi-synchronous replication, multi-primary clustering, at the back of agenda replication, and parallel replication can be completed right through the MariaDB Galera Cluster.

PostgreSQL, then again, offers a primary-secondary replication together with cascading replication, streaming replication, and synchronous replication. By means of leveraging the newest BDR bundle deal, you’ll even execute bidirectional replication in PostgreSQL.

Quorum devote for synchronous replication offers upper flexibility in synchronous replication by the use of letting you specify how temporarily each devote will proceed once any given choice of standbys solution, irrespective of their ordering. This permits you to ceaselessly deploy and change the database.

With logical replication, you’ll send amendments on a per-table or per-database level to different PostgreSQL databases, which helps you to fine-tune how the tips gets replicated to database clusters.


MariaDB releases popular protection patches, which shows the importance of protection for the MariaDB staff.

Similarly, the PostgreSQL International Development Group of workers (PGDG) publishes an intensive report of vigorous not unusual exposures and vulnerabilities that’s addressed periodically by the use of a large and vibrant staff.


MariaDB is considerably smaller in duration compared to PostgreSQL, and this holds right through fairly numerous OS permutations. MariaDB is also significantly lighter, making it the most well liked variety in the event you’re temporary on memory allocation.

Reinforce and Community

MariaDB offers fortify by means of engineers — maximum ceaselessly software developers and database administrators — who’re moreover technical experts in MySQL and MariaDB. For purchasers with enterprise-level subscriptions, MariaDB corporate accommodates in depth 24/7/365 fortify.

Reinforce is also available by the use of the MariaDB knowledge base, where you’ll sift by means of tutorials, documentation, tutorials, and other helpful assets.

MariaDB is reliant upon and dedicated to an vigorous staff, which contains developer, contributor, and non-developer groups. You’ll to seek out alternative ways to have interaction with group contributors by means of social media, mailing lists, events, and conferences, and likewise you’re impressed to have the same opinion debug, document, and build up MariaDB yourself.

PostgreSQL too possesses an vigorous and in depth staff that provides fortify to shoppers by means of client groups, documentation, mailing lists, and supplementary assets, at the side of an IRC channel for patrons to easily pose questions to knowledgable and vigorous PostgreSQL staff participants. There are also a variety of international web pages for PostgreSQL so that you’ll to seek out staff engagement possible choices and assets for your country and/or language.

On the PostgreSQL staff internet web page, there are fairly numerous techniques to interact, at the side of mailing lists, studying possible choices, and job postings. The developers’ internet web page will provide you with the style to learn additional or turn out to be an vigorous developer on the PostgreSQL problem. Supplementary staff assets, where you’ll to seek out other ways of talking and collaborating, include Planet PostgreSQL and the PostgreSQL Wiki.

Hard eventualities

Even supposing MariaDB has evidently made a name for itself as one of the vital maximum safe, easiest-to-use database solutions available on the market, as with each solution, you must nonetheless in any case finally end up running into difficulties.

Listed here are a few tough eventualities of leveraging MariaDB as a database for your small business operation:

  • Lack of equipment for debugging functions: MariaDB does now not provide trustworthy equipment for debugging functions and procedures. The steadiness of the ones MariaDB procedures, at the side of that for scaling database online transactions, is a long way from best.
  • Lack of a faithful replication server: Having a faithful replication server would have the same opinion simplify the process of replication for patrons. You’ll wish to devise a custom designed solution for mirroring your database in a reside environment so knowledge written on production can be replicated across the server. MariaDB could also be very a lot improved were they to simplify primary-primary replication for its shoppers, then again this hasn’t took place however.

As MariaDB’s contender, PostgreSQL has etched a name for itself as a whole open-source database solution and continues to do so in a stiff competitive environment. Without reference to the fairly numerous advantages introduced by the use of PostgreSQL, although, it falls temporary on a few counts.

Listed here are a few tough eventualities chances are high that you’ll face when operating with PostgreSQL:

  • Time: Making sure that the PostgreSQL migration or building problem is completed seamlessly can take longer than anticipated. Unexpected issues maximum ceaselessly need additional research that can extend building. Therefore, it’s the most important to build time for on-the-go research into the problem schedule from the beginning.
  • Price: A not unusual misconception is that as an open-source PostgreSQL solution is 100% loose. On the other hand, while putting in place, downloading, and the use of the solution is loose, there are just about always costs related to fortify, migration, and maintenance — and the ones costs can’t be disregarded.
  • Deployment duration: Switching to PostgreSQL might be easy for small firms with small databases, then again large enterprises and mid-size firms would possibly simply face migration tough eventualities and also will in any case finally end up requiring the assistance of a migration service or a fortify supplier.
  • In-house revel in: Maintaining any database calls for specialized knowledge, and PostgreSQL isn’t any exception. Firms wish to review the costs associated with hiring an in-house skilled versus having an in-house workforce learn PostgreSQL from the bottom up.

MariaDB vs PostgreSQL: Which Should You Choose?

MariaDB offers wisdom type flexibility on the subject of updates and insertions by the use of converting wisdom to the correct type. This can be truly helpful when it comes to tempo and helpful useful resource allocation, then again additional care is needed to make certain that the tips adheres to the schema.

MariaDB’s fortify for primary-primary replication can also turn out to be useful for methods that need low latency and over the top availability. If that looks like what you need for your next problem, then MariaDB would be the wiser variety.

PostgreSQL is a time-tested and powerful relational database gadget that has remained the most important open-source selection for small firms, enterprises, and other people. It’s in particular well suited for firms and methods that rely on low value maintenance and deployment however moreover require stability, reliability, and responsiveness even in high-volume environments.
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In this article, we’ve discussed MariaDB vs PostgreSQL in detail. The ones built-in pivotal elements like tempo, potency, syntax, extensibility, protection, fortify and staff, indexing, and construction to help you make an educated solution regarding the database software that most nearly fits your unique business must haves.

As you’ll see, each and every MariaDB and PostgreSQL have their advantages and disadvantages. In any case, the choice between MariaDB vs PostgreSQL will require wary consideration of the wishes of your gadget and a whole understanding of the way in which a given database can fulfill those needs.

Between MariaDB vs PostgreSQL, which do you plan on the use of for your next problem, and why? We’d like to concentrate for your concepts! Share them throughout the comments section beneath.

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