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May 16, 2021 12:00 MariaDB
The database application exists separately from the primary application and stores a collection of data. E ach database uses one or more APIs to create, access, manage, search, and copy the data it contains.
The database also uses non-relationship data sources, such as objects or files. H owever, the database proved to be the best choice for large data sets, which would subject to slow retrieval and writes to other data sources.
The relationship database management system, or RDBMS, stores data in a variety of tables. R elationships between these tables are established using primary and foreign keys.
RDBMS provides the following features -
They enable you to implement data sources using tables, columns, and indexes.
They ensure the integrity of references between multiple table rows.
They automatically update the index.
They interpret SQL queries and actions from table operations or source data.
Before we get started with MariaDB, let's look at some of the terms associated with databases.
Database - A database is a data source consisting of tables that hold relevant data.
Table - Table, which means spreadsheet, is a matrix that contains data.
Column - A column that represents a data element is the structure that holds a type of data; F or example, the delivery date.
Row - Row - The structure of the rows that group the relevant data; F or example, data for customers. I t is also known as a metagroup, entry, or record.
Redundancy - This term refers to storing data twice to speed up the system.
Primary Key - This refers to a unique identity value. T his value cannot appear twice in the table, and only one row is associated with it.
Foreign Key - Foreign keys are used as links between two tables.
Compound Key - A compound key, or compound key, is the key to multiple columns. I t refers to multiple columns due to a lack of unique quality columns.
Index - The index is actually the same as the index of the book.
Referential Integrity - This term refers to ensuring that all foreign key values point to existing rows.
MariaDB is a popular branch of MySQL created by the original developers of MySQL. I t stems from issues related to MySQL's acquisition of Oracle. I t supports small data processing tasks and enterprise requirements. I t is designed to be an alternative to MySQL by simply uninstalling MySQL and installing MariaDB. M ariaDB provides the same functionality as MySQL, etc.
An important feature of MariaDB is that -
All MariaDBs are under GPL, LGPL or BSD.
MariaDB includes a variety of storage engines, including high-performance storage engines, to work with other RDBMS data sources.
MariaDB uses standard and popular query languages.
MariaDB runs on multiple operating systems and supports a wide variety of programming languages.
MariaDB provides support for PHP, one of the most popular Web development languages.
MariaDB provides Galera clustering technology.
MariaDB also provides many actions and commands that are not available in MySQL and eliminates/replaces features that affect performance.
Before you begin this tutorial, make sure you have some basic knowledge of PHP and HTML, especially the material discussed in our PHP and HTML tutorials.
This guide focuses on using MariaDB in a PHP environment, so our example will be most useful for PHP developers.
If you are not familiar with or need to view it, we strongly recommend that you review our PHP tutorial.