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03 The third chapter - Database introduction

31- Database concept

44- Today's content

45- Why study databases

What is a database ？
Why study databases
All data generated in the software , Ultimately, they have to be stored in the database
If the tester wants to query the data / data verification , You must master the basic operation of the database
game , social contact , Journalism , Shopping Mall , Finance and so on , The data is stored in the database , Database is the foundation of software ,
browser
Back end servers ： Business server , database server
Business server , database server

Data query （ data verification ）
Why study databases ？
All the data generated in the software , Ultimately, they have to be stored in the database
If you want to query data 、 data verification , You must master the basic operation of the database

46- What is a database ？

What is a database ？
A software that stores data ,
Physical storage server
Software for storing data
Tables are basic