SYSTEM FOR MAINTAINING A DISTRIBUTED DATABASE USING CONSTRAINTS
First Claim
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1. A system for maintaining a database with a plurality of replicas that are geographically distributed, the system comprising:
- a storage unit including a plurality of tables, each table of the plurality of tables comprising a plurality of records; and
wherein replication of each record is controlled by a constraint property.
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Accused Products
Abstract
A method and system for maintaining a database with a plurality of replicas that are geographically distributed. A plurality of tables are stored in the database, each table includes a plurality of records. The location where each record is stored being controlled based on a constraint property included in the record.
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Citations
24 Claims
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1. A system for maintaining a database with a plurality of replicas that are geographically distributed, the system comprising:
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a storage unit including a plurality of tables, each table of the plurality of tables comprising a plurality of records; and wherein replication of each record is controlled by a constraint property. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for maintaining a database with a plurality of replicas that are geographically distributed, the method comprising the steps of:
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storing a plurality of tables, each table of the plurality of tables comprising a plurality of records; and controlling where data fields of each record will be stored based on a constraint property included in the record. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A computer readable medium having stored therein instructions executable by a programmed processor for maintaining a database with a plurality of replicas that are geographically distributed, the computer readable medium comprising instructions for:
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storing a plurality of tables, each table of the plurality of tables comprising a plurality of records; and controlling where data fields of each record will be stored based on a constraint property included in the record. - View Dependent Claims (20, 21, 22, 23, 24)
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Specification