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SQL Engine Reference - Actian Documentation

... SELECT c1, c2, c3 FROM t1 UNION SELECT c4, c5, c6 FROM t2 ORDER BY t1.c1, t1.c2, t1.c3. SELECT c1, c2, c3 FROM t1 UNION SELECT c4, c5, c6 FROM t2 ORDER BY 1 ...



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