Introduction
Structured Query Language (SQL) is a standard Database language which is used to create, maintain and retrieve the ralational database. It is very useful in handling structured data where there are relations between different entities/variables of the data. MySQL is an open-source relational database management system (RDBMS). It is popular used in many websites. MyBatis is a first class persistence framework with support for the custom SQL, stored procedures and advanced mappings. MyBatis eliminates almost all of the JDBC code and manual setting of parameters and retireval of results. MyBatis can use simple XML or Annotations for configuration and map primitives, Map interfaces and Java POJOs (Plain Old Java Objects) to database records.
In this series of stuy notes, we will introduct basic knowlege of SQL, MySQL, MyBatis and how to use them.