Intelizign Lifecycle Services Senior Software Engineer Interview Questions and Answers

Microflows and nanoflows are both used in Mendix for defining business logic, but they differ in their scope and complexity.

• Microflows are used for larger and more complex processes, while nanoflows are used for smaller and simpler processes.

• Microflows can have multiple activities and can be triggered by events, while nanoflows have a single activity and are typically called from microflows.

• Microflows can have input an...read more

Yes

• Setting security for Sub Microflows is important to ensure data integrity and prevent unauthorized access.

• Sub Microflows may contain sensitive data or perform critical operations, so securing them is crucial.

• Access control can be implemented by defining user roles and permissions for Sub Microflows.

• Authentication and authorization mechanisms should be enforced to restrict access to Sub Microflows.

• Examples of securit...read more

Before commit and After commit Microflows are used in Mendix to perform actions before and after committing changes to the database.

• Before commit Microflows are executed before the changes are committed to the database.

• They are used to perform validations, calculations, or any other actions that need to be done before saving the data.

• After commit Microflows are executed after the changes are committed to the database.

• T...read more

Microflows are used in Mendix to define the logic and flow of an application. They consist of various activities.

• Create object activity - creates a new object in the database

• Change object activity - modifies the attributes of an existing object

• Commit activity - saves changes made to objects in the database

• Retrieve activity - retrieves objects from the database based on specified criteria

• Loop activity - iterates over a ...read more

Mendix uses a multi-model database called Mendix Data Hub.

• Mendix Data Hub is a unified data layer that integrates with various databases.

• It supports both SQL and NoSQL databases.

• Examples of databases that can be used with Mendix include MySQL, PostgreSQL, MongoDB, and Oracle.

• Mendix Data Hub provides a visual interface for managing data models and relationships.

• It allows developers to easily connect and interact with da...read more

Various association in Mendix

• Association is a relationship between two entities in Mendix

• There are several types of associations: 1:1, 1:N, N:1, and N:N

• Associations can be uni-directional or bi-directional

• Associations can have attributes and constraints

• Examples: Customer has multiple Orders (1:N), Product belongs to a Category (N:1)

Mendix supports REST API implementation for building web services.

• Mendix provides a built-in REST module that allows you to create and consume RESTful APIs.

• To implement a REST API in Mendix, you can define a microflow or a nanoflow that handles the incoming requests and processes the data.

• You can use the 'Expose as REST service' option in the microflow or nanoflow properties to make it accessible as a REST API.

• Mendix a...read more

Data view and List view are different ways of presenting data. Data view focuses on individual records, while List view displays multiple records in a tabular format.

• Data view presents data in a detailed manner, showing all the fields and values of a single record.

• List view displays multiple records in a condensed format, usually in a table with selected fields.

• Data view is useful for examining and editing individual r...read more