Mysql Tutorial For Beginners - GROUP BY
MySQL for beginners requires you to first know Structured Query Language (SQL), a general query language, through which you can extract, sort, update, delete and insert data. With SQL, you can manipulate data as you used relational database management systems (RDBMS) such as MySQL, Access, Ingres MicrosoftSQL Server, PostgresSQL, Oracle, Sybase, etc.
Structured Query Language (SQL) has full support from the American National Standards Institute (ANSI), which has laid down certain rules for its use. So, when you want to build a strong foundation in SQL, you can choose from one of the aforementioned RDBMS that is specific for your use. As a caveat, you should have to consider three primary factors before you opt for a database system, as follows: the platform on which you work, what you want to achieve and your finances.
As you may know, all the important and common SQL statements are supported by any of these RDBMS; however, each RDBMS has its own set of proprietary statements and extensions. In layman's terms, a database stores or housed your data files (such as names and emails of your friends). If you use small programs such as Perl for your database, your information is displayed and your data analyzed based on the program's search criteria features.
Some of the important features of MySQL for beginners are, as follows:
a) It is very fast and much reliable for any type of application;
b) Its command line tool is powerful that it can run SQL queries against database;
c) It supports binary objects and indexing;
d) It allows changes to structure of table while server is running;
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Credit: Credits to Udemy.com - MySQL Database For Beginners
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