Start Updating database with sql statement

Updating database with sql statement

In my previous tip, SQL Server 2017 Graph Database, we have seen the introduction of the Graph Database feature along with some of the details of Node and Edge tables.

You can access your database via other tools, programming languages or database frameworks; there’s nothing Django-specific about your database.

Whenever a new model class is created, Django adds backward-relationships to any related models.

If the related models haven’t been imported yet, Django keeps tracks of the relationships and adds them when the related models eventually are imported.

But what if you want to compare the value of a model field with another field on the same model?