DECLARE    cnt NUMBER;BEGIN    -- Check for the existence of the table    SELECT COUNT(*) INTO cnt FROM all_tables WHERE table_name = 'YOUR_TABLE_NAME' AND owner = 'YOUR_SCHEMA_NAME';
    -- If the table exists, then drop it    IF cnt = 1 THEN        EXECUTE IMMEDIATE 'DROP TABLE YOUR_TABLE_NAME';    END IF;EXCEPTION    WHEN OTHERS THEN        -- Handle exceptions if needed        DBMS_OUTPUT.PUT_LINE('An error occurred: ' || SQLERRM);END;