SELECT to_number(NULL) LEVEL_VALUE_PK, NULL LEVEL_VALUE, to_number(NULL) PARENT_VALUE_PK, NULL PARENT_VALUE, NULL ATTRIBUTE1, NULL ATTRIBUTE2, NULL ATTRIBUTE3, NULL ATTRIBUTE4, NULL ATTRIBUTE5 FROM SYS.DUAL WHERE 1 <> 1
SELECT TO_NUMBER(NULL) LEVEL_VALUE_PK
, NULL LEVEL_VALUE
, TO_NUMBER(NULL) PARENT_VALUE_PK
, NULL PARENT_VALUE
, NULL ATTRIBUTE1
, NULL ATTRIBUTE2
, NULL ATTRIBUTE3
, NULL ATTRIBUTE4
, NULL ATTRIBUTE5
FROM SYS.DUAL
WHERE 1 <> 1
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