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ORACLE – DUAL Table
One of the first things that any introductory SQL tutorial teaches, is about the DUAL table in Oracle. It is the commonest of the lot, and extremely useful, I must say. The DUAL table is installed...
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Query on the Long Column or Field
A typical problem in any EAI project. Others too!! One of the most common ways of building custom Error Handling or Logging mechanisms include dumping huge messages and XMLs in the database for future...
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