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Developer-C 11.1
3.0
4.0
10.2
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10.5
10.6
10.7
10.8
10.9
5.5
5.6
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18
11g Release 2
18c
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8.4
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10
11
12
13
14
15
16
3.8
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3.27
3.39
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2.11
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AdventureWorks
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AdventureWorks
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WITH yourTable AS ( SELECT 1 AS ID, date '2021-01-11' AS "Date", 'A' AS Col1, NULL AS Col2, 'A' AS Col3, 'B' AS Col4 FROM dual UNION ALL SELECT 2, date '2021-01-11', 'B', 'B', NULL, NULL FROM dual ), cte AS ( SELECT ID, Col1 AS val FROM yourTable UNION ALL SELECT ID, Col2 FROM yourTable UNION ALL SELECT ID, Col3 FROM yourTable UNION ALL SELECT ID, Col4 FROM yourTable ) SELECT t1.ID, t2.val, COUNT(c.ID) AS cnt FROM (SELECT DISTINCT ID FROM yourTable) t1 CROSS JOIN (SELECT DISTINCT val FROM cte) t2 LEFT JOIN cte c ON c.ID = t1.ID AND c.val = t2.val WHERE t2.val IS NOT NULL GROUP BY t1.ID, t2.val;
ID
VAL
CNT
1
A
2
1
B
1
2
A
0
2
B
2