| 摘要 |
A method, computer program and database system are disclosed for protecting data using a relational database management system supporting digital watermarking. The support for digital watermarking in a database provides an additional means for protecting copyrighted data. Having the support built-in to a database simplifies the development of applications that manage the copyrighted data and provide an extra level of security and traceability for the data once it leaves the database.
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