MySQL is a freely available
open source Relational Database Management System (RDBMS) that uses Structured
Query Language (SQL).

RDBMS stands for Relational Database Management System. RDBMS data
is structured in database fields, records and tables. Each RDBMS table consists
of database table rows. Each database table row consists of one or more
database table fields. RDBMS stores the data into collection of tables, which
might be related by common fields (database table columns). RDBMS also provide relational
operators to manipulate the data stored into the database tables. Most RDBMS
use SQL as database query language.

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SQL
stands for Structured Query Language. It is a database computer language designed for the retrieval
and management of data in a relational database. SQL is the most popular
language for adding, accessing and managing content in a database. It is most
noted for its quick processing, proven reliability, ease and flexibility of
use.  

 

MySQL
is something where you can store your data persistently. MySQL is mainly written in C and C++. A Swedish company
developed its base in 1995. It was released under an open-source license. So
you have nothing to pay to use it. Since it is free, MySQL is majorly available
on shared hosting packages and can be easily set up in a Unix, Linux, Mac OS or
Windows environment. If a web application requires more than database, requires
load balancing or sharing, it is easy to set up maybe instances of the database
requiring only the hardware costs, as opposed to commercial databases that
would require a single license for each instance.

 

What Are the Main MySQL Advantages?

·        
MySQL may support various database engines while
other system types do not maintain such function.

·        
In comparison with other relational bases, MySQL is
characterized by high performance.

·        
Economically, MySQL is a rather effective base. It
is much cheaper than some other bases of relational type. Besides, the license
price for the commercial version is also not so high.

·        
It is a cross-platform base i.e. it may be launched
on OS Mac, Linux, and Windows.

·        
MySQL is something where you can store your data
persistently. You could have store variables in RAM
if it was sufficiently large and more importantly non volatile.

A lot
of the world’s high-tech and quickly-growing technical organizations like
Facebook, Google, Adobe, Alcatel Lucent and Zappos depend upon MySQL to save
time and money powering their high-volume Web sites, business-critical systems
and packaged software.

Disadvantages:

MySQL has some issues
with stability and clustering, it is very difficult to install a consistent
database cluster with MySQL with the regular version. Depending on the database
storage, MySQL will support transactions or not, so the requirements of the
application have to be taken into account when creating the database tables.

For large, heavy
loaded databases, it is a major operations problem that changing the database
structure is only possible when locking the complete tables. This will mean
that the database cannot be accessed during that operation so that this can
only be done during low traffic times.

After the
acquisition of Sun Microsystems by Oracle, some people are concerned about the
future of the free version of MySQL, the original author of the database has
started a project that uses a fork of MySQL to build a new database MariaDB,
this is intended to be a compatible replacement of MySQL and plans to implement
new storage engines later.

 

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