At Flinders University, scientists have cracked a cleaner and greener way to extract gold—not just from ore, but also from our mounting piles of e-waste. By using a compound normally found in pool ...

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The scene is as old as warfare itself. Two soldiers, hands in the air, surrendering and carefully following the orders barked at them by the other side. Except in this case, there were no human ...

TRIGGER is a data base object like a procedure to perform back ground task. Triggers are executed automatically without exec statement or calling statement. Triggers are defined at 3 levels.