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Oracle App. I2IT
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Oracle App. I2IT Variable Scope When nesting PL/SQL blocks, variable scope refers to the blocks that can identify a particular variable Inner blocks can reference variables in outer blocks Outer blocks can NOT reference variables in inner blocks
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Oracle App. I2IT If you redeclare a identifier in a sub-block, you cannot reference the global identifier unless you use a qualified name. The qualifier can be the label of an enclosing block (or enclosing subprogram) as follows:
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Unformatted text preview: <<outer>> DECLARE birthdate DATE; BEGIN ... DECLARE birthdate DATE; BEGIN ... IF birthdate = outer.birthdate THEN ... END IF; END; END outer; Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT Oracle App. I2IT...
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