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Q19 Single choice

In a new release of a module, a developer decides to rename a table that was defined in the earlier versions.

Which action, if any, allows the developer to prevent data loss?

A
Define onCreate="migrateDataFromAnotherTable(old_table_name)" attribute in the table tag.
B
Declarative schema supports RENAME TABLE', so the data will be migrated to the new table automatically.
C
Define the table and columns mapping in the db.schema_whitelist.json

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