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SELECT jgd.Group_id, COUNT(*) Gcount FROM JTF.JTF_RS_GROUPS_DENORM jgd, JTF.JTF_RS_GROUP_USAGES jgu WHERE jgd.Latest_relationship_flag = 'Y' AND jgd.Group_id = jgu.group_id AND jgu.Usage = 'SALES' AND jgd.Denorm_level IN (0,1) GROUP BY jgd.Group_id