What is a database?
All the information that the computer processes and stores is data.
A program used to store data in a computer system.
One: There are many kinds of programs that can access data in a computer system.
They have their own strengths and advantages, and have their own scope of application.
Access: Ability to save data to avoid loss.
Ability to find eligible data as needed.
Why use a database?
Large data volumes, transaction control, network access, persistence and data security,,
Difference: Whether SQL statements are used as the way and method of data manipulation.
MySQL: Open source is the most popular and easy to learn
The data is logically processed and stored in the database through the application server. The backend database is the goal maintained by the DBA,
Intermediate receiving user requests to process data is a developer's background program
The road to MySQL's old driver: Correct use of database operation and maintenance to tune database Database intrinsic principle
DBA: Database administrator SQL language Troubleshooting installation Deployment principle mastering performance Tuning Capacity planning application Optimization Architecture design
MySQL Database Basics (pending)