لطفا منتظر باشید ...
Chapter 15. Learning Basic SQL Commands
Having just learned the basics of the database design process, this chapter provides a primer on the core SQL syntax, which you will use to create and manipulate your MySQL database tables. This is a very hands-on chapter, and it assumes that you are able to issue queries through the MySQL monitor on Windows or Linux/Unix. Alternatively, if you use a GUI to MySQL, this chapter assumes you know the methods for issuing queries through those interfaces.In this chapter, you will learn
- The basic MySQL datatypes
- How to use the CREATE TABLE command to create a table
- How to use the INSERT command to enter records
- How to use the SELECT command to retrieve records
- How to use basic functions, the WHERE clause, and the GROUP BY clause in SELECT expressions
- How to select from multiple tables, using JOIN
- How to use the UPDATE and REPLACE commands to modify existing records
- How to use the DELETE command to remove records
- How to use string functions built into MySQL
- How to use date and time functions built into MySQL
