Recruiter called and setup interview with one of team manager. Interview was on the phone ad Microsoft live meeting. He asked about SQL server data structure. Ask me to write code to sort binary array in single pass. e.g. (0,0,1,1,0,0,1,1). I gave him I will count # of 1 and total count then make array with 0 an 1. He ask me to fins other solution with single pass.