db-engines.com
database (my_store, todo_mvc...) -> collection (array) [] -> objects/documents {} -> properties
show databases
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use <database_name> use todo
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db (--> todo)
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db.users.insert( {new object} ) db.users.insert( { login: 'admin', email: '[email protected]', password: '1234567' })
db.users.find() db.users.find({ email: '[email protected]' }) db.users.update( { login: 'admin' }, { $set : { password: 'qwerty' } } ) db.users.remove( { login: 'admin2' } )
2 collections references / links / embed Tasks <> Users