Tag: HTTP

HTTP vs HTTPS

Both HTTP and HTTPS are protocols for communicating over the internet. If you have a website or probably used a website might have come across these things namely http:// or https://

What is HTTP ?

Hyper Text Trasfer Protocol is a set of rules defining how information is transfered over internet. It is a stateless protocol built on top of TCP protocol in application layer. User connects to your site are through a insecure connection vulnerable to security attacks. Here plain text is transmitted as it is without encryption.

What is HTTPS?

Hyper Text Transfer Protocol Secure is a advanced and secured version of HTTP. Here everything is encrypted with SSL/TLS protocol. Protects sensitive data from being stolen. It requires SSL certificate.

HTTP vs HTTPS

How does OData service works

OData services works through entity sets and entities. Data is represented in the form of Tables.

Tables are referred as Entity sets and the lines of record are referred as entities.

The Data is accessed through the following OData methods. These OData methods are referred as CRUD methods.

OData MethodHttp MethodDescription and its relation to sql command
CreatePOSTIt creates a new record. It is similar to INSERT command in SQL
ReadGETIt reads the records. It is similar to SELECT command in SQL.
The Read method from OData can be further classified.
For example, the Read method is used to read only one record.
The Query method is used to read more lines of record.
UpdateUPDATEIt updates the records. It is similar to UPDATE command in SQL
DeleteDELETEIt deletes the records. It is similar to DELETE command in SQL