project-initial-mappings.rst

Choose an :guilabel:`Initial mappings` option for your MongoDB schema.

• :guilabel:`Start with a MongoDB schema that matches your relational schema`

  Creates your initial project with a new document mapping rule for each table.

• :guilabel:`Start with a recommended MongoDB schema`

  {+rel-mig+} creates mapping rules for a suggested MongoDB schema. When you choose this option, a table appears showing the imported relational tables. {+rel-mig+} suggests which tables should be represented as :guilabel:`top-level` or :guilabel:`embedded` collections. You can use the checkboxes to modify which tables are mapped into collections or embedded.

• :guilabel:`Start with an empty MongoDB schema`

  Creates your initial project with no mapping rules.

Note

Regardless of the option you choose when starting your project, you have the flexibility to manually add, remove, or modify mapping rules at any time. This allows you to customize the MongoDB schema according to the specific requirements of your workload.