Data migration # How to prepare a database to work with AcraServer. Data migration strategies in general # Any data migration strategies have two main steps: (1) migrate data schema and (2) encrypt existing data. Schema migration includes changing column’s types to binary (bytea/blob) for using data encryption via Acra (not required for tokenization). There are several approaches for schema migration: A. Stop application and producing data, change column’s types with ALTER TABLE, resume t...
