YQL Console: In your browser with the YQL Console.
SELECT statements using HTTP GET: A Web application
can use an HTTP GET request when running SELECT statements, specifying the YQL statement as
a query parameter of the Web Service URL.
INSERT, UPDATE, and DELETE statements using HTTP POST, PUT, or DELETE: A Web application can similarly use an HTTP GET, PUT, or DELETE for
INSERT, UPDATE, and DELETE statements. The only exception is when you specify a JSONP
callback, in which case you can use an HTTP GET request and specify a callback query
parameter on the GET URI.
PHP SDK: From a Web application that uses the PHP SDK, by calling the
query method of the YahooSession class.