A data workflow diagram is a visual representation of the different steps and tasks involved in a data workflow. It typically includes a series of boxes or shapes that represent the different tasks, and arrows that show the flow of data between the tasks. The diagram also includes information such as the inputs and outputs of each task, and any dependencies or conditions that need to be met.
Data workflow diagrams can be used to document and communicate the structure and flow of a data pipeline, and to help identify potential bottlenecks or areas for improvement. They can also be used as a blueprint for building and automating data workflows. There are several types of data workflow diagrams, such as flowcharts, process flow diagrams, Swimlane diagrams, and Entity-Relationship diagrams.
For example, a flowchart is a type of diagram that uses boxes, diamonds, and arrows to represent the different tasks and the flow of data between them. A Swimlane diagram is a type of flowchart that separates the workflow into "lanes" to show the different roles or departments involved in the workflow. An Entity-Relationship diagram (ERD) is a diagram that represents the relationships between different entities in a data set, such as the relationships between customers, orders, and products in an e-commerce system.
In short, a data workflow diagram is a visual representation of the different tasks and steps involved in a data workflow, it helps to identify the flow of data, inputs and outputs, dependencies, and conditions, and it can be used to document and communicate the data pipeline.