Question

List the elements of the Docker container system. What is a multi-tenant database?

Answer 1

The Docker container system creates a virtual Operating System which allows only necessary systems to gain access to the system's operating system

The elements of the Docker container system are:

i) Docker Client: All the means of communication with the Docker container system is done using the Docker Client. This can run on the host machine or in any other machine

ii) Docker Machine: It allows the Docker container system to be installed on a machine. This machine can be a local system or can be anyother system in which the Docker container can be installed and runned.

iii) Docker Desktop: This allows operating systems such as windows and MacOS to run and install docker container on their system. In windows operating system the developer can their own container

iv) Docker Hub: This is a hub created for all the Docker user which allows the system to create a repository from which all the user can access data. This can be used to store and access images from the repository.

v) Docker Compose: It is used to provide an environment in which multiple access can be done from the same point. The Docker container which has access to only one part has become outdated.

vi) Docker Swarm: When all the machines in the system are clustered and are dockerized then they are docker Swarm

Multi tenant database: In a multi tenant database many customers are able to access, use and share a single database. The data of one tenant is only visible to itself and is invisible to the other tenants. A multi tenant database reduces the cost of maintaining a database as it is shared by many people and hence the cost is reduced.

In multi tenant database as the database are used by many tenants at the same time there is no need for maintenance of the database. The responsibility for maintaining the database is done by the SaaS provider.

Although, it can be integrated by any system since the database is being accessed by many people at the same time the security of the database is under threat.

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