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WITH test AS ( SELECT 'a' AS col1, 2 AS col2 FROM dual UNION ALL SELECT 'b', 3 FROM dual UNION ALL SELECT 'c', 1 FROM dual ) SELECT t1.col1, t1.col2, t2.col2 AS col3 FROM test t1 INNER JOIN test t2 ON t1.col2 >= t2.col2;
COL1
COL2
COL3
b
3
3
b
3
2
b
3
1
a
2
2
a
2
1
c
1
1