Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
Assuming constraints here refer to the [SQL constraints](https://www.w3schools.com/sql/sql_constraints.asp) - our [SchemaField](https://github.com/linkedin/datahub/blob/master/metadata-models/src/main/pegasus/com/linkedin/schema/SchemaField.pdsc) model currently does not store any property/fiel...