Shulou(Shulou.com)06/01 Report--

This article mainly shows you the "what are the commonly used MongoDB commands in the Linux system", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "what are the common MongoDB commands in the Linux system" this article.

MongoDB is a product between relational database and non-relational database, which is the most functional and most like relational database in non-relational database.

Database operation

# View the database

Show dbs# switch database

Use mydatabase# deletes the current database

Db.dropDatabase () collection operation

# View the collection

Show collections# delete collection

Db.users.drop () document operation

Insert document

Db.users.insert ({name:'harttle', url:' http://harttle.com'}) query documents

# query all

Db.users.find () # conditional query

Db.users.find ({name:'harttle'}) # has indented output db.users.find (). Pretty ()

Update document

Db.users.update ({name:'harttle'}, {url:' http://harttle.com'}) delete the document

# Delete all

Db.users.remove ({}) # conditional deletion

Db.users.remove ({url:' http://harttle.com'}) these are all the contents of this article entitled "what are the common MongoDB commands in Linux systems?" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.