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| = Considerations = | | = Considerations = |
| <div class="toccolours mw-collapsible mw-collapsed expandable"> | | <div class="toccolours mw-collapsible mw-collapsed expandable"> |
| <div class="mw-collapsible-preview"></div> | | <div class="mw-collapsible-preview">Data Units</div> |
| <div class="mw-collapsible-content"> | | <div class="mw-collapsible-content"> |
| | * Each DataUnit object has a dataset_id field, which tells the owner of the dataset. |
| | * For any Dataset object we can tell list of DataUnit it owns. |
| </div> | | </div> |
| </div> | | </div> |
| <p></p> | | <p></p> |
Revision as of 06:36, 23 August 2023
Data Lake Knowledge Center | Models
Introduction
Definition
A Dataset object represent a series of Data Unit objects for the same purpose.
For example, a dataset could represent daily nasdaq stock quotes, every day, it has a data unit that captures the open price, close price, high and low price for all stock traded on nasdaq stock exchange market.
Fields
id: UUID
Primary key
name: str
A unique name that people can reference this data series, since id is very difficult to remember for human beings.
description: str
A human readable string that helps people to understand this dataset.
owner: str
The owner of this dataset. In case people have questions about this dataset, the owner should be contacted.
is_disconnected:
If True, then this dataset is disconnected and user can no longer append data unit to it.
Examples:
Considerations
Data Units
- Each DataUnit object has a dataset_id field, which tells the owner of the dataset.
- For any Dataset object we can tell list of DataUnit it owns.
