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CREATE TABLE table1 (id, assay, req_ind) AS
SELECT 1, 123, 0 FROM DUAL UNION ALL
SELECT 2, 124, 1 FROM DUAL UNION ALL
SELECT 3, 125, 1 FROM DUAL UNION ALL
SELECT 4, 126, 1 FROM DUAL UNION ALL
SELECT 5, 127, 1 FROM DUAL;
5 rows affected
CREATE TABLE table2 (id, assay) AS
SELECT 1, 124 FROM DUAL UNION ALL
SELECT 2, 127 FROM DUAL;
2 rows affected
SELECT LISTAGG(CASE WHEN t2.assay IS NULL THEN t1.assay END, ',')
WITHIN GROUP (ORDER BY t1.assay) AS required_missing,
LISTAGG(t2.assay, ',')
WITHIN GROUP (ORDER BY t1.assay) AS required_present
FROM table1 t1
LEFT OUTER JOIN table2 t2
ON (t1.assay = t2.assay)
WHERE t1.req_ind = 1
| REQUIRED_MISSING | REQUIRED_PRESENT |
|---|---|
| 125,126 | 124,127 |
SELECT required_missing,
required_present
FROM (
SELECT NVL2(t2.assay, 'P', 'M') AS status,
ROW_NUMBER() OVER (
PARTITION BY NVL2(t2.assay, 'P', 'M')
ORDER BY t1.assay
) AS rn,
t1.assay
FROM table1 t1
LEFT OUTER JOIN table2 t2
ON (t1.assay = t2.assay)
WHERE t1.req_ind = 1
)
PIVOT (
MAX(assay)
FOR status IN (
'M' AS required_missing,
'P' AS required_present
)
)
| REQUIRED_MISSING | REQUIRED_PRESENT |
|---|---|
| 125 | 124 |
| 126 | 127 |