Replicating DDL changes using streams
First Claim
1. A method for responding to DDL operations associated with a database object, the method comprising the steps of:
- in response to execution of a DDL statement associated with a database object, generating a record that indicates changes made by said DDL statement; and
based on said record, performing an action that is asynchronous relative to execution of said DDL statement.
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Abstract
Techniques are disclosed for sharing information in a wide variety of contexts. An information sharing system is described that allows both an explicit capture process and an implicit capture process to add information items to a staging area. Further, the information sharing system supports both implicit and explicit consumption of information items that are stored in said staging area. A rules engine is provided to allow users to create and register rules that customize the behavior of the capture processes, the consuming processes, and propagation processes that propagate information from the staging areas to designated destinations. Techniques are also described for achieving exactly-once handling of sequence of items, where the items are maintained in volatile memory. Techniques are also provided for recording DDL operations, and for asynchronously performing operations based on the previously-performed DDL operations.
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Citations
42 Claims
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1. A method for responding to DDL operations associated with a database object, the method comprising the steps of:
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in response to execution of a DDL statement associated with a database object, generating a record that indicates changes made by said DDL statement; and based on said record, performing an action that is asynchronous relative to execution of said DDL statement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification