The SELECT statement
The SELECT statement is used to select data from a table. You will find this statement the most commonly used in the creation of a dynamic website.
The INSERT statement
The INSERT statement is used to add data to a table.
The UPDATE statement
The UPDATE statement is used to update data in a table.
The DELETE statement
The DELETE statement is used to delete data from a table.
Useful PHP/MySQL functions
These functions should be used to efficiently query a database.