user1    birthday(2001-03-04)
user2    birthday(2002-03-04)
user3    birthday(2003-03-04)
user4    birthday(2008-04-04)

can i query the users which birthday is 03-04?

---
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB