An article explaining the difference between MariaDB and MySQL in detail

This article brings you relevant knowledge about MariaDB and MySQL. It mainly talks about the differences between MariaDB and MySQL. Friends who are interested can take a look at it together. I hope it will be useful to you. help.

Introduction to the main differences

##Development FocusFeature Improvements and EnhancementsPerformance and ReliabilityStorage EnginesContains additional storage engines such as Aria, XtraDB, TokuDB etc.Includes storage engines such as MyISAM and InnoDBVersion namingMariaDB uses the year and version number as the version naming, such as MariaDB 10.3.8MySQL uses major version number, minor version number and revision number as version naming, such as MySQL 8.0.22LicenseUse GNU Universal Public License (GPL)MySQL uses two licenses: the open source GNU GPL License or the commercial licenseCompatibilityWith MySQL has high compatibilityMariaDB is more compatible than MySQLLanguage supportSupports more programming languages, such as C, Perl, Python, Java, etc.Support mainstream programming languages, such as C, Java, Perl, Python, etc.SecurityProvide better security , such as supporting encryption, safe default settings, etc.MySQL also provides good security, but the default configuration is looserPerformance optimizationprovided More performance optimization options, such as query optimization, multi-threading, etc.MySQL also provides a wealth of performance optimization optionsCommunity supporthas Active community supportMySQL's community support is also very active

Features	MariaDB	MySQL
Distribution	MariaDB is a branch of MySQL	MySQL is a product of Oracle Corporation
Development Company	MariaDB is maintained by the MariaDB Foundation and Community	MySQL is maintained by Oracle Corporation

It should be noted that although there are many differences between MariaDB and MySQL , they can be used interchangeably in most situations because they have the same SQL syntax and functionality.

Incompatible features between the two

• Storage engine: MariaDB contains some storage engines that MySQL does not have, such as Aria, ColumnStore, and MyRocks. These storage engines may not be compatible with MySQL's storage engine.

• Data types: MariaDB contains some data types that MySQL does not have, such as JSON, XML and UUID. If your application relies on these data types, you need to consider whether they are available in MySQL.

• Functions and operators: MariaDB contains some functions and operators that MySQL does not have, such as PCRE regular expressions and BIT_XOR functions. If your application uses these functions and operators, you need to consider whether they are available in MySQL.

• System variables and options: MariaDB contains some system variables and options that MySQL does not have, such as max_statement_time and innodb_adaptive_flushing. If your application relies on these variables and options, you need to consider whether they are available in MySQL.

It is important to note that despite these incompatible features and functionality, MariaDB still strives to maintain compatibility with MySQL and provides many compatibility layers to ensure that applications can run smoothly Migrate from MySQL to MariaDB easily.

For the InnoDB engine, what are the differences between MariaDB and MySQL?

FeaturesMariaDBMySQLDefault EngineInnoDBInnoDB##CompressionCacheFull-text searchPartitioning on the InnoDB engineBackupPerformance

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InnoDB supports page-level compression with a high compression rate	InnoDB supports row-level compression and the compression rate is low
MariaDB has a better caching mechanism and can automatically adjust the cache size as needed	MySQL’s caching mechanism is relatively simple
MariaDB supports full-text search index, using the InnoDB engine	MySQL supports full-text search Index, but does not support using
MariaDB supports a wider variety of partitioning strategies, such as by month, day, and by key value	MySQL supports relatively few partition strategies
MariaDB supports more kinds of backups, including hot backup and incremental backup	MySQL backup is relatively simple
MariaDB has better performance in some cases, such as using multiple threads for queries	MySQL may perform better in some cases, such as on certain types of queries

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