Invention Grant
US08285677B2 Method and apparatus for propagating tables while preserving cyclic foreign key relationships 失效
在保留循环外键关系的同时传播表的方法和装置

Method and apparatus for propagating tables while preserving cyclic foreign key relationships
Abstract:
The invention meeting the need identified above is the “Enhanced Database Propagation Program” or (EDPP). EDPP uses a cyclic member table that identifies a first source table in a cyclic relationship with a second source table. The first source table, identified in the cyclic member table, propagates first. EDPP replaces all foreign keys with “NULL” in the first target table. After the second source table in the subscription set has propagated to a second target table, EDPP updates first target table with the foreign keys from the first source table.
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