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RAML Interview Questions – Mule Tutorial

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RAML Interview Questions.


In this mule tutorial, here are the most important and common RAML interview questions and answers which are bound to be asked in any Mule ESB interview.

1. What is RAML and why we use it?


RAML – RESTful API Modeling Language
RAML is similar to WSDL, it contains endpoint URL, request/response schema, HTTP methods and query and URI parameter.
RAML helps client (a consumer of the service) know, what the service is and what/how all operations can be invoked.
RAML helps the developer in creating the initial structure of this API. RAML can also be used for documentation purpose.

2. Who can you import RAML in your poject?


Read here: Mule Tutorial – Creating Mule Project with RAML
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Caching or Cache Scope – Mulesoft / Mule ESB Tutorial

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Caching In Mule ESB or Cache Scope


In this Mule ESB tutorial we will look into what is caching and why to use it, how can we implement caching in mulesoft project and  configuration properties in Mule Cache Scope/Activity. Also a step by step configuration of mule cache scope/activity and how to cache information retrieved from database. Please refer to Mule Tutorial: Connecting with Database mule tutorial to know how to connect to database in Mule ESB.

What is caching and why to use it?


Caching is a concept with is used to store frequently used data in the memory, file system or database which saves processing time and load if it would have to be access from original source location every time.

For example: We have to create an API to retrieve user information, that has connect to an external database which is on different server and fetch the records. (Assumption: external DB is not changing frequently)
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