-- SELECT count(*) FROM EXT_TITEL_INFO
-- SELECT * FROM EXT_TITEL_INFO
set timing on

-- SELECT count(*) FROM EXT_BEDPBED;

-- PROMPT No Hashing allowed...
-- SELECT /*+ NO_USE_HASH(bedp t_info) */
-- bedp.BEDARFNR,
-- bedp.BEDP_SEQUENZ,
-- bedp.BEDP_TITELNR,
-- bedp.BEDP_MAN,
-- bedp.BEDP_MENGE_BEDARF_VM,
-- t_info.MELDENUMMER,
-- t_info.MENGE_VORMERKER
-- FROM EXT_BEDPBED bedp
-- LEFT JOIN EXT_TITEL_INFO t_info
--     ON bedp.BEDP_TITELNR = t_info.TI_NUMMER
--     AND bedp.BEDP_MAN = t_info.MANDFUEHR;
-- PROMPT ####################################

PROMPT >>>>>>>>> All allowed
SELECT COUNT(*) FROM (
    SELECT
        bedp.BEDARFNR,
        bedp.BEDP_SEQUENZ,
        bedp.BEDP_TITELNR,
        bedp.BEDP_MAN,
        bedp.BEDP_MENGE_BEDARF_VM,
        t_info.MELDENUMMER,
        t_info.VERLAGSNR
        t_info.MENGE_VORMERKER
        t_info.MANDFUEHR
    FROM EXT_BEDPBED bedp
    LEFT JOIN EXT_TITEL_INFO t_info
        ON bedp.BEDP_TITELNR = t_info.TI_NUMMER
);
    
-- -- WHERE bedp.BEDP_MAN IN (1, 90) AND t_info.MELDENUMMER != 26;
-- PROMPT ######################################
PROMPT #################################################
-- SELECT COUNT(*) FROM (
--     SELECT /*+ NO_USE_HASH(bedp t_info) */
--         view1.BEDP_TITELNR,
--         t_info.MELDENUMMER,
--         t_info.VERLAGSNR,
--         t_info.MANDFUEHR
--     FROM
--         (SELECT DISTINCT bedp.BEDP_TITELNR FROM EXT_BEDPBED bedp) view1
--     LEFT JOIN EXT_TITEL_INFO t_info
--         ON view1.BEDP_TITELNR = t_info.TI_NUMMER
--     ) sub1 WHERE sub1.MANDFUEHR IN (1,90) AND sub1.MELDENUMMER in (17, 18);


-- SELECT * FROM (
--     SELECT * FROM (
--         SELECT /*+ NO_USE_HASH(bedp t_info) */
--             view1.BEDP_TITELNR,
--             t_info.MELDENUMMER,
--             t_info.VERLAGSNR,
--             t_info.MANDFUEHR
--         FROM
--             (SELECT DISTINCT bedp.BEDP_TITELNR FROM EXT_BEDPBED bedp) view1
--         LEFT JOIN EXT_TITEL_INFO t_info
--             ON view1.BEDP_TITELNR = t_info.TI_NUMMER
--         ) sub1 WHERE sub1.MANDFUEHR IN (1,90) AND sub1.MELDENUMMER in (17, 18)
-- ) titles
-- JOIN EXT_AUFPAUF auf
--     ON titles.BEDP_TITELNR = auf.TITELNR
--     WHERE auf.AUFTRAGS_DATUM > TO_DATE('2025-12-05', 'YYYY-MM-DD')
-- FETCH FIRST 20 ROWS ONLY;

-- DESC EXT_AUFPAUF;

-- ##############################
-- SELECT AUFTRAGS_ART, COUNT(*) AS anzahl FROM (
--     SELECT * FROM (
--         SELECT * FROM (
--             SELECT /*+ NO_USE_HASH(bedp t_info) */
--                 view1.BEDP_TITELNR,
--                 t_info.MELDENUMMER,
--                 t_info.VERLAGSNR,
--                 t_info.MANDFUEHR
--             FROM
--                 (SELECT DISTINCT bedp.BEDP_TITELNR FROM EXT_BEDPBED bedp) view1
--             LEFT JOIN EXT_TITEL_INFO t_info
--                 ON view1.BEDP_TITELNR = t_info.TI_NUMMER
--             ) sub1 WHERE sub1.MANDFUEHR IN (1,90) AND sub1.MELDENUMMER in (17, 18)
--     ) titles
--     JOIN EXT_AUFPAUF auf
--         ON titles.BEDP_TITELNR = auf.TITELNR
--         WHERE auf.AUFTRAGS_DATUM > TO_DATE('2025-09-05', 'YYYY-MM-DD')
-- )
-- GROUP BY AUFTRAGS_ART
-- ORDER BY anzahl DESC;

-- PROMPT >>
-- SELECT EINGANGS_ART, COUNT(*) AS anzahl FROM (
--     SELECT * FROM (
--         SELECT * FROM (
--             SELECT /*+ NO_USE_HASH(bedp t_info) */
--                 view1.BEDP_TITELNR,
--                 t_info.MELDENUMMER,
--                 t_info.VERLAGSNR,
--                 t_info.MANDFUEHR
--             FROM
--                 (SELECT DISTINCT bedp.BEDP_TITELNR FROM EXT_BEDPBED bedp) view1
--             LEFT JOIN EXT_TITEL_INFO t_info
--                 ON view1.BEDP_TITELNR = t_info.TI_NUMMER
--             ) sub1 WHERE sub1.MANDFUEHR IN (1,90) AND sub1.MELDENUMMER in (17, 18)
--     ) titles
--     JOIN EXT_AUFPAUF auf
--         ON titles.BEDP_TITELNR = auf.TITELNR
--         WHERE auf.AUFTRAGS_DATUM > TO_DATE('2025-09-05', 'YYYY-MM-DD')
-- )
-- GROUP BY EINGANGS_ART
-- ORDER BY anzahl DESC;




-- EXPLAIN PLAN FOR 
-- SELECT COUNT(*) FROM (
--     SELECT /*+gather_plan_statistics*/ /*+ NO_USE_HASH(bedp t_info) */
--         bedp.BEDP_TITELNR,
--         t_info.MELDENUMMER,
--         t_info.VERLAGSNR,
--         t_info.MANDFUEHR
--         FROM EXT_BEDPBED bedp
--         LEFT JOIN EXT_TITEL_INFO t_info
--             ON bedp.BEDP_TITELNR = t_info.TI_NUMMER
-- );
-- SELECT * FROM TABLE(DBMS_XPLAN.DISPLAY(format => 'ALL'));


-- SELECT * FROM EXT_TITEL_INFO t_info WHERE t_info.TI_NUMMER = 6132326;
-- SELECT * FROM EXT_TITEL_INFO t_info WHERE t_info.TI_NUMMER = 5641810;

-- SELECT t.TI_NUMMER, COUNT(*) cnt
-- FROM EXT_TITEL_INFO t
-- GROUP BY t.TI_NUMMER
-- HAVING COUNT(*) > 1;

-- SELECT 
--     (SELECT COUNT(*) FROM EXT_TITEL_INFO) AS total_rows,
--     (SELECT COUNT(DISTINCT TI_NUMMER) FROM EXT_TITEL_INFO) AS distinct_ids
-- FROM dual;

-- SELECT COUNT(*) 
-- FROM EXT_AUFPAUF auf 
-- WHERE auf.AUFTRAGS_DATUM > TO_DATE('2025-11-18', 'YYYY-MM-DD');

-- SELECT *
-- FROM EXT_AUFPAUF auf 
-- WHERE auf.AUFTRAGS_DATUM > TO_DATE('2025-11-18', 'YYYY-MM-DD');