Customization overview
Pick which database objects to migrate and override defaults per database, table, field, index, or foreign key.
Last updated July 10, 2026
The Customization stage shows the destination structure as a tree on the left and the options for the selected node on the right. By default every table, field, and index is ticked - uncheck the items you do not want to migrate.

Three levels of options
Click a node in the tree to open its options panel:
- Database - settings that apply to the whole migration (overwrite, parallel threads, quantization, sync logs, garbage symbols, global type mapping, naming conventions).
- Tables - defaults that apply to every table (copy structure, copy indexes, copy foreign keys, sync types for DBSync).
- Table / Field / Indexes / Foreign Keys - per-object overrides.
Reference pages:
- Database and table options
- Field, index, and foreign-key options
- Conditional migration and data filters
Errors and warnings
Issues that would block conversion are highlighted in the tree - red for errors, yellow for warnings. Each marker links to an explanation under the tree.
See Pre-migration checks for the catalog of messages and how to resolve each.