@article{Tang:2017eL,
  author = "Tang, Jiafeng  and  Hua, Zewen  and  Feng, Jinsong",
  title = "{Query Optimization Ways of DB2 to Improve Database Performance}",
  doi = "10.22323/1.299.0092",
  journal = "PoS",
  year = 2017,
  volume = "CENet2017",
  pages = "092"
}