To get one record if mre than one record exists for same id ,then get only one record based on below condition - sql

Question

e.g. If I get 2 null data in a column for same id, then pass null.
ii) If I get 2 same not null data in a column for same id, then pass not null.
ii) If I get 1 null and 1 not null data in a column for same id, then pass not null.
ii) If I get 2 different not null data in a column for same id, then pass '?'.
Sample data
Please find the sample data in the image.
Thanks in advance.
Output obtained after new code:
Result

Answer 1

You can try following :
SELECT (CASE WHEN PRTY_KEY_ID_NN= 0 THEN NULL /* IF BOTH/ALL VALUES ARE NULL */)
WHEN PRTY_KEY_ID_NN <> TOTAL_COUNT THEN PRTY_KEY_ID_NN_MX
ELSE
CASE WHEN TOTAL_COUNT=PRTY_KEY_ID_NN_DIST THEN NULL /* IF BOTH HAVING DIFFERENT NOT NULL VALUE */
CASE WHEN TOTAL_COUNT<>PRTY_KEY_ID_NN_DIST THEN PRTY_KEY_ID_NN_MX
END
END)PRTY_KEY_ID_VAL,
(CASE WHEN TOTAL_ASSET_A_NN= 0 THEN NULL /* IF BOTH/ALL VALUES ARE NULL */)
WHEN TOTAL_ASSET_A_NN <> TOTAL_COUNT THEN TOTAL_ASSET_A_MX
ELSE
CASE WHEN TOTAL_COUNT=TOTAL_ASSET_A_DIST THEN NULL /* IF BOTH HAVING DIFFERENT NOT NULL VALUE */
CASE WHEN TOTAL_COUNT<>TOTAL_ASSET_A_DIST THEN TOTAL_ASSET_A_MX
END
END)TOTAL_ASSET_VAL,
(CASE WHEN DBUS_NUM_NN= 0 THEN NULL /* IF BOTH/ALL VALUES ARE NULL */)
WHEN DBUS_NUM_NN <> TOTAL_COUNT THEN DBUS_NUM_MX
ELSE
CASE WHEN TOTAL_COUNT=DBUS_NUM_DIST THEN NULL /* IF BOTH HAVING DIFFERENT NOT NULL VALUE */
CASE WHEN TOTAL_COUNT<>DBUS_NUM_DIST THEN DBUS_NUM_MX
END
END)DBUS_NUM_DIST_VAL,
(CASE WHEN BUS_NATURE_DE_NN= 0 THEN NULL /* IF BOTH/ALL VALUES ARE NULL */)
WHEN BUS_NATURE_DE_NN <> TOTAL_COUNT THEN BUS_NATURE_DE_MX
ELSE
CASE WHEN TOTAL_COUNT=BUS_NATURE_DE_DIST THEN NULL /* IF BOTH HAVING DIFFERENT NOT NULL VALUE */
CASE WHEN TOTAL_COUNT<>BUS_NATURE_DE_DIST THEN BUS_NATURE_DE_MX
END
END)BUS_NATURE_DE_VAL
FROM
(SELECT COUNT(*)TOTAL_COUNT,
SUM(CASE WHEN PRTY_KEY_ID IS NULL THEN 0 ELSE 1 END)PRTY_KEY_ID_NN,
SUM(CASE WHEN TOTAL_ASSET_A IS NULL THEN 0 ELSE 1 END)TOTAL_ASSET_A_NN,
SUM(CASE WHEN TOTAL_LIAB_A IS NULL THEN 0 ELSE 1 END)TOTAL_LIAB_A_NN,
SUM(CASE WHEN DBUS_NUM IS NULL THEN 0 ELSE 1 END)DBUS_NUM_NN,
SUM(CASE WHEN BUS_NATURE_DE IS NULL THEN 0 ELSE 1 END)BUS_NATURE_DE_NN,
MAX(PRTY_KEY_ID_NN)PRTY_KEY_ID_NN_MX,
MAX(TOTAL_ASSET_A)TOTAL_ASSET_A_MX,
MAX(TOTAL_LIAB_A)TOTAL_LIAB_A_MX,
MAX(DBUS_NUM)DBUS_NUM_MX,
MAX(BUS_NATURE_DE)BUS_NATURE_DE_MX,
COUNT(DISTINCT PRTY_KEY_ID_NN) PRTY_KEY_ID_NN_DIST,
COUNT(DISTINCT TOTAL_ASSET_A)TOTAL_ASSET_A_DIST,
COUNT(DISTINCT TOTAL_LIAB_A)TOTAL_LIAB_A_DIST,
COUNT(DISTINCT DBUS_NUM)DBUS_NUM_DIST,
COUNT(DISTINCT BUS_NATURE_DE)BUS_NATURE_DE_DIST
FROM YOUR_TABLE)

Answer 2

You can find out the sample data like image in below SQL.If the column data type is varchar(char) please delete the TO_CHAR expression, and replace the table name TEST_TABLE to your table's.
WITH TEST_TABLE AS (
SELECT 1056059 AS PRTY_KEY_ID, NULL AS TOT_ASSET_AM, NULL AS TOT_LIABILITIES_AM, NULL AS DBUS_NM, 'Pediatrics' AS BUS_NATURE_DE FROM DUAL
UNION ALL
SELECT 1056059 AS PRTY_KEY_ID, 5000 AS TOT_ASSET_AM, '300000' AS TOT_LIABILITIES_AM, NULL AS DBUS_NM, 'Medicine' AS BUS_NATURE_DE FROM DUAL
)
SELECT
PRTY_KEY_ID,
MIN(CASE WHEN TOT_ASSET_AM_CNT > 1 THEN '?' ELSE TO_CHAR(TOT_ASSET_AM) END) AS TOT_ASSET_AM,
MIN(CASE WHEN TOT_LIABILITIES_AM_CNT > 1 THEN '?' ELSE TO_CHAR(TOT_LIABILITIES_AM) END) AS TOT_LIABILITIES_AM,
MIN(CASE WHEN DBUS_NM_CNT > 1 THEN '?' ELSE TO_CHAR(DBUS_NM) END) AS DBUS_NM,
MIN(CASE WHEN BUS_NATURE_DE_CNT > 1 THEN '?' ELSE TO_CHAR(BUS_NATURE_DE) END) AS BUS_NATURE_DE
FROM (
SELECT
TEST_TABLE.*,
COUNT(TOT_ASSET_AM) OVER(PARTITION BY PRTY_KEY_ID) AS TOT_ASSET_AM_CNT,
COUNT(TOT_LIABILITIES_AM) OVER(PARTITION BY PRTY_KEY_ID) AS TOT_LIABILITIES_AM_CNT,
COUNT(DBUS_NM) OVER(PARTITION BY PRTY_KEY_ID) AS DBUS_NM_CNT,
COUNT(BUS_NATURE_DE) OVER(PARTITION BY PRTY_KEY_ID) AS BUS_NATURE_DE_CNT
FROM TEST_TABLE
)
GROUP BY PRTY_KEY_ID