MySQL relational database as an important product, because of its small size, open-source, low cost, is currently widely used in small and medium sites on the internet for the first time to learn MySQL, I have the following experience:
A basic database concepts
1. The data (Data) is used to record information may be identification code is information specific forms.
2. The database (DB) is used to store the data warehouse.
3. Database Management System (DBMS) is a database management software operation and, interposed between the application and the operating system, a method for accessing the database application, including definition data, data manipulation
Database operational management and data built on maintenance.
4. Database system (DBS) software, database administrators and database components.
Two .SQL language
1. Data Definition Language (DDL) is used to create a database and database objects, providing an object database operations. (Create) the main language is CREATE, ALTER (change), DROP (delete)
2. Data Manipulation Language (DML) for manipulating data in the database, the primary language of the INSERT (insert data) the UPDATE (modification data) the DELETE (delete data) the SELECT (query data)
3 Data Control Language (DCL) used to achieve access to images and control of major statements GRANT (grant user permissions) REVOKE (withdraw user rights) COMMIT operation of the database transaction (commit the transaction) ROLLBACK (roll back the transaction)