MongoDB

  • show dbs – show all dababases
  • show collections – show all collections in database.
  • use [db name] – switch to the specific database.
  • db.[collection].find() – find records in the collection.
  • db.[collection].find({email:”ints-ints@mail.ru”}) – find specific value
  • db.[collection].findOne() – find one record in the collection.
  • db.[collection].findOne({email:”ints-ints@mail.ru”},{password:”12345″}) – find specific values
  • db.[collection].countDocuments() – count all records in a table/collection
  • w3schools

Learnng resources

Keywords

  • Big data, Bigdata, Big-data, MongoDB, Mongo DB
  • NoSql, No sql, No-sql
  • Training, Train, Learning programming, learn, 
  • Programming languages