Table of contentsQuery methodsSafe methodsIdempotent methodsThe HTTP protocol is always organized around a clinet sending a request to a server. The client sends the request and the server responds with the response based on the submitted request. by the client.The message is nothing but the piece of data flowing through the network connection used by the client when talking with the server. One of the key elements of the request is the action that the client or server should take on its behalf. So every request has a request method and every request is an action or verb that a client asks the server to perform on its behalf. All queries are dictated as a query method to be applied on a specific server resource. The resource will usually be a path. Say no to plagiarism. Get a tailor-made essay on “Why Violent Video Games Should Not Be Banned”? Get the original essay Request MethodsThe method is used to tell the server what to do. -> GET method is used to request the server to get the mentioned resource and return it to us. Basically it is used to retrieve the content along with the status line and headers.->The HEAD method is like the GET method but instead of providing the entire body of the resource it is used to retrieve only the headers and status line.->the POST method is used to send the data to the server by the client to process or store the data in its database. -> PUT method is used to create or replace a resource with the content specified in the body which is in the request, i.e. if the resource specified in the URI exists, then that resource will be replaced by the body and if the resource in the URI does not exist then that particular resource will be created.-> DELETE is used to delete a mentioned resource from the server.-> CONNECT Method is used to establish a connection between a client and a server via HTTP. ->Using OPTION method we can find out different methods supported by the server. So, upon receiving the OPTION request, the server will return what are the possible methods supported by the server.->TRACE is used to return the content of the http request to the client. This is mainly used for the debugging process during development, to check whether the content is modified or not by the intermediate servers. Safe Methods Safe methods are those methods that do not modify the contents of the server, that is, they only perform a read operation on the server database. Methods like GET, HEAD, OPTIONS and TRACE are safe methods because they only return the content and do not update anything on the server side, while other methods are not safe like POST, PUT, DELETE as they are used. to enter, update or delete content on the server side. Keep in mind: this is just an example. Get a personalized article from our expert writers now. Get a Custom Essay Idempotent Methods Idempotent methods are those methods that can be invoked by as many people as possible. as long as possible, once or a hundred times, but the result will be the same. For example, the GET method will return the same resource every time, regardless of how many times the same URL is executed. Similarly, HEAD, PUT, DELETE, OPTIONS and TRACE are idempotent methods whereas POST is not idempotent because calling POST multiple times will generate false updates or redundant database..