Use EXECUTE IMMEDIATE to call procedure and save the returning value

  
SQL>
SQL> CREATE OR REPLACE PROCEDURE CallProc1(p1 IN VARCHAR2 := NULL) AS
  2  BEGIN
  3    DBMS_OUTPUT.PUT_LINE('CallProc1 called with ' || p1);
  4  END CallProc1;
  5  /

Procedure created.

SQL>
SQL> DECLARE
  2    myResult VARCHAR2(50);
  3  BEGIN
  4    EXECUTE IMMEDIATE 'CALL CallProc1(''Hello from PL/SQL'')';
  5    EXECUTE IMMEDIATE 'CALL CallFunc(''Hello from PL/SQL'') INTO :myResult'
  6    USING OUT myResult;
  7  END;
  8  /
CallProc1 called with Hello from PL/SQL
CallFunc called with Hello from PL/SQL

PL/SQL procedure successfully completed.

SQL>

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Use EXECUTE IMMEDIATE to call procedure and save the returning value : Execute Immediate « PL SQL « Oracle PL / SQL

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