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? ??? ??? MySQL ???? ?? Oracle ?? ???? ??? ??? Oracle ?? ????? ??? ??? ? ?????

?? Oracle ?? ???? ??? ??? Oracle ?? ????? ??? ??? ? ?????

Dec 24, 2024 pm 03:20 PM

How Can I Call One Oracle Stored Procedure from Within Another?

Oracle? ?? ?? ??? ?? ???? ??

Oracle??? ??? ?? ????? ???? ?? ????? ??? ? ????. ?? ? ??. ?? ? ???? ??? ??? ??? ???? ??? ? ????.

??? ??

?? ??? ??? ?????.

SET SERVEROUTPUT ON;

DROP PROCEDURE test_sp_1;
DROP PROCEDURE test_sp;

CREATE PROCEDURE test_sp
AS
BEGIN
    DBMS_OUTPUT.PUT_LINE('Test works');
END;
/

CREATE PROCEDURE test_sp_1
AS
BEGIN
    DBMS_OUTPUT.PUT_LINE('Testing');
    test_sp;
END;
/

CALL test_sp_1;

?? ? ???

??? ??? ??? ??? ????. ?? ????? ?? ????? ???? ??? ????. ? ??? ?? ? ?? ?? ? ??? ???? ??? ? ????.

1. ?? ??

Oracle? SQL ????? ?? ????? ???? ??? ??? ?? ?????.

CALL <procedure_name>(<argument_list>);

??? ???? ?? ???? ???? ??? ??? ????.

CALL test_sp_1();

2. ?? PL/SQL ??

?? PL/SQL ????? ????? ??? ???? ??? ?? ????? ??? ? ????.

BEGIN
    test_sp_1;
END;
/

3. Exec ??(SQL*Plus)

SQL*Plus? ?? ??? ?? ?? ??? exec ??? ?????. ?? ?? ??? ??? ??? ??? ?? ????? ?????.

EXEC test_sp_1;

?

??? ??? ???? ????.

SET SERVEROUTPUT ON;
CREATE OR REPLACE PROCEDURE test_sp AS BEGIN DBMS_OUTPUT.PUT_LINE('Test works'); END;
/
CREATE OR REPLACE PROCEDURE test_sp_1 AS BEGIN DBMS_OUTPUT.PUT_LINE('Testing'); test_sp; END;
/
CALL test_sp_1(); -- Direct call
exec test_sp_1; -- SQL*Plus shortcut
BEGIN test_sp_1; END; -- Anonymous PL/SQL block

??:

Testing
Test works
Testing
Test works
Testing
Test works

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