Schema updating for synchronizing databases connected by...

Details Schema updating for synchronizing databases connected by... Schema updating for synchronizing databases connected by...

2006-09-22

2010-06-01

Wu, Yicun (Department: 2158)

Data processing: database and file management or data structures

File or database maintenance

Synchronization

C709S219000, C455S412100

Reexamination Certificate

active

07730028

ABSTRACT:
A method of updating a database, including data records, to accord with an updated schema. The method includes obtaining, at a portable electronic device, the updated schema associated with the database. If a field is deleted in the updated schema, the data records are updated by deleting the field from each of the data records. An update command is transmitted from the portable electronic device for updating the database schema for a corresponding backup database at a server.

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