Biguiyuan group company’s amtribution to build a software department for Bozhilin sub compass Part III

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CEO wanzhongLiao

 

Biguiyuan group company’s amtribution to build a software department for Bozhilin sub compass

 

Part III

 

 

J2EE is enterprise edtion. JSP is web servlet web page. Servlet is singleton servlet. Singleton design pattern means entity bean contstructor construct instance and always keep this object unique single. JVM heap is detecting distributed block heap memory every standard line times. Memeory allocated request need feedback as well.

 

Compiling once time and distributed every where. Strict MVC design pattern transform module data layer by layer. Atomic is a characteristic of database business data table . Relationship is using foreign key and primary key. Database three standard design rule contains logic business table field . Identifier is unique . Foreign key is referenced to master table primary key. Master table and slave table this strict primary key to slave table foreign key. Delete this strict master to slave constriant , using relaxed line arrow relationship . NoSql is not only sql, sometimes using another language like OOP(Object Orianted Programming).

 

MySQL is a middle level data volumn database. Big company and internet company can collect thousands of data. Data level volumn come into millions , a little dangrous optimize method tech choosed too.

 

Myisam MySQL database search and innicialize data record engine. Innodb is using server data node to input data. Logic block seperated . index table is searching and updating refference everyday. Performance not only depend on language trouble . Indelice block is main table server. Data cache flow inflate and deflate everyday too.