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CREATE OR REPLACE FUNCTION PROC_NAME(T_NAME IN VARCHAR2) RETURN NUMBER IS
V_CNT number;
V_SQL VARCHAR2(100);
BEGIN
V_CNT := 0;
SELECT COUNT(*) INTO V_CNT from USER_TABLES WHERE TABLE_NAME = T_NAME;
IF V_CNT = 0 THEN
RETURN 0;
else
V_SQL := 'DROP TABLE ' || T_NAME;
execute immediate V_SQL;
DBMS_OUTPUT.PUT_LINE(V_SQL ||' Ö´Ðгɹ¦');
RETURN 1;
END IF;
EXCEPTION
WHEN OTHERS THEN
DBMS_OUTPUT.PUT_LINE(SQLCODE || SQLERRM);
DBMS_OUTPUT.PUT_LINE(V_SQL);
RETURN 3;
end;
µ÷ÓÃ
BEGIN
IF PROC_NAME(TABLE_NAME) = 0 THEN
DBMS_OUTPUT.PUT_LINE('OK');
END IF;
END;
/
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