hvordan man deler kolonnerne i resultat af forespørgsel i Oracle-databasen

Brug en PIVOT og ROW_NUMBER analytisk funktion:

SQL violin

Oracle 11g R2 Schema Setup :

CREATE TABLE your_query_result (sal, cat, id, shop ) AS
SELECT 1900,   '34R5',   10,   'dense' FROM DUAL UNION ALL
SELECT 1900,   '34r5',   10,   'SVM' FROM DUAL UNION ALL
SELECT 1900,   '34r5',   10,   'bpo' FROM DUAL UNION ALL
SELECT 2345,   '3ER4',   11,   'kpo' FROM DUAL UNION ALL
SELECT 2345,   '3ER4',   11,   'infra' FROM DUAL UNION ALL
SELECT 12345,  '34F4',   12,   'const' FROM DUAL;
 

Forespørgsel 1 :

SELECT sal,
       cat,
       id,
       "1_SHOP" AS shop_1,
       "2_SHOP" AS shop_2,
       "3_SHOP" AS shop_3
FROM   (
  SELECT r.*,
         ROW_NUMBER() OVER (
           PARTITION BY sal, cat, id
           ORDER BY shop
         ) AS rn
  FROM   (
    SELECT * FROM your_query_result
  ) r
)
PIVOT (
  MAX( shop ) AS shop
  FOR rn IN ( 1, 2, 3 )
)
 

Resultater :