Basic Oracle Concepts and Programming Question:
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What Are the Parameter Modes Supported by PL/SQL?
Answer:
PL/SQL supports 3 parameter modes on procedure/function parameters:
► IN: This is the default mode. IN parameters allow the calling code to pass values into the procedure or function.
► OUT: OUT parameters allow the procedure or function to pass values back to the calling code.
► IN OUT: IN OUT parameters allow the calling code to pass values into and receive values from procedure or function.
► IN: This is the default mode. IN parameters allow the calling code to pass values into the procedure or function.
► OUT: OUT parameters allow the procedure or function to pass values back to the calling code.
► IN OUT: IN OUT parameters allow the calling code to pass values into and receive values from procedure or function.
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