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Posted Oct 28, 2004

Oracle Tip: Call multiple trigger bodies with a single trigger

By DatabaseJournal.com Staff

[From Builder UK]

As applications become more and more complex, supporting business rules with triggers becomes more difficult. Triggers are useful for a wide range of applications, such as auditing, complex data validation, snapshots and data generation.

The problem is, within a single schema, a table or view can only have triggers of each of the four main types defined: before row, after row, before statement, and after statement. To avoid this kind of conflict, it's useful to define a standard pattern for trigger creation, which allows multiple PL/SQL or Java bodies to attach to trigger events easily.

The article continues at http://uk.builder.com/0,39026540,39221858,00.htm



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