You can use mongo-dict-query. The mongo-structs are just mongo-dicts.<div><br></div><div>Jay<br><br><div class="gmail_quote">On Wed, Jun 23, 2010 at 6:13 PM, 장유현 <span dir="ltr"><<a href="mailto:zerosumz@nate.com">zerosumz@nate.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div style="font-size:13px;border-top-style:none;border-right-style:none;border-left-style:none;border-bottom-style:none"> <div>Hello there!</div> <div> </div> <div>I'm very inspired MongDB.plt and It's Quick Start Example.</div> <div> </div> <div>but this (make-post ...) insert a new collection only .</div> <div> </div> <div>I'll be happy if I can select atom of collection and update it.</div> <div> </div> <div>plz help me :'(</div> </div> <img src="http://pcmail3.nate.com/app/msg/confirm/?usn=1968165&email=zerosumz@nate.com&key=0fac31de55bcc322dcf1bb2bdf9a3366$218d5c5f@pcmail3.nate.com" height="0" width="0"><br>_________________________________________________<br> For list-related administrative tasks:<br> <a href="http://lists.racket-lang.org/listinfo/users" target="_blank">http://lists.racket-lang.org/listinfo/users</a><br></blockquote></div><br><br clear="all"><br>-- <br>Jay McCarthy <<a href="mailto:jay@cs.byu.edu">jay@cs.byu.edu</a>><br> Assistant Professor / Brigham Young University<br><a href="http://teammccarthy.org/jay">http://teammccarthy.org/jay</a><br><br>"The glory of God is Intelligence" - D&C 93<br> </div>