Building a Synchronized Target Database
First Claim
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1. ) A method for building a database, comprising:
- selecting objects in a source database to be copied to a backup database;
beginning to copy the objects to the backup database while the source database remains online;
receiving updates to the source database while the objects are being copied to the backup database; and
applying the updates to both the source database and the backup database while the objects are being copied to the backup database.
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Abstract
One embodiment is a method that builds a target database with transaction logs from an online source database. The transaction logs include both existing data in the source database and updates that occur to the source database while the target database is being built.
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Citations
15 Claims
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1. ) A method for building a database, comprising:
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selecting objects in a source database to be copied to a backup database; beginning to copy the objects to the backup database while the source database remains online; receiving updates to the source database while the objects are being copied to the backup database; and applying the updates to both the source database and the backup database while the objects are being copied to the backup database. - View Dependent Claims (2, 3, 4, 5)
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6. ) A tangible computer readable storage medium having instructions for causing a computer to execute a method, comprising:
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building a target database from an online source database; and applying records in transaction logs to the target database while the target database is being built, wherein the records in the transaction logs include both existing data in the source database and updates that occur to the source database while the target database is being built. - View Dependent Claims (7, 8, 9, 10)
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11. ) A database management system, comprising:
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an online primary database; and a replication engine that builds a backup database from the online primary database by transferring transaction logs to a backup system that includes the backup database, wherein the transaction logs include both data existing in the online primary database and updates received for the online primary database while the backup database is being built. - View Dependent Claims (12, 13, 14, 15)
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Specification