3) Data Recovery and Backup
Backup and recovery is one of the most vital and necessary characteristics of DBA. The incidence of data exploitation, hardware exploitation and data damages in a database is probable. SaaS clients and user do not have any backup services …show more content…
Multi-tenancy architecture (important Characteristic of SaaS architecture) of SaaS application is a fence that an architecture designer familiar to designing remote, single tenant applications must overawed. For example, when a user at one enterprise accesses user information by using a CRM (Customer Relationship Management) application service, the application’s instance that the user connects to may be accepting users from lots, or even hundreds, of other enterprises, all instances fully vague to any of the users. This requires an architecture that increases the sharing of computing resources across all tenants, but that is still able to distinguish between owners of …show more content…
For example, SaaS application working in the web browser is helped by many programming languages, such as the group of HTML, CSS and JavaScript in the application’s presentation tier (interface level; low level of application); or an engine using some non-static Web data tools and technology (Java, PHP, Python etc.) in the application’s middle tier (Business logic tier). A lot of