Mongodb rest find min and max (dans mongodb-user) - Recherche Google Groupes. PyMongo 2.7.1 Documentation — PyMongo 2.7.1 documentation. Getting Started with MongoDB — MongoDB Manual 2.6.3. This tutorial provides an introduction to basic database operations using the mongo shell. mongo is a part of the standard MongoDB distribution and provides a full JavaScript environment with complete access to the JavaScript language and all standard functions as well as a full database interface for MongoDB. See the mongo JavaScript API documentation and the mongo shell JavaScript Method Reference. The tutorial assumes that you’re running MongoDB on a Linux or OS X operating system and that you have a running database server; MongoDB does support Windows and provides a Windows distribution with identical operation.
For instructions on installing MongoDB and starting the database server, see the appropriate installation document. Connect to a Database In this section, you connect to the database server, which runs as mongod, and begin using the mongo shell to select a logical database within the database instance and access the help text in the mongo shell. Connect to a mongod. SQL to MongoDB Mapping Chart — MongoDB Manual 2.6.3. In addition to the charts that follow, you might want to consider the Frequently Asked Questions section for a selection of common questions about MongoDB. The following table presents the various SQL statements and the corresponding MongoDB statements. The examples in the table assume the following conditions: Create and Alter The following table presents the various SQL statements related to table-level actions and the corresponding MongoDB statements.
For more information, see db.collection.insert(), db.createCollection(), db.collection.update(), $set, $unset, db.collection.ensureIndex(), indexes, db.collection.drop(), and Data Modeling Concepts. Insert The following table presents the various SQL statements related to inserting records into tables and the corresponding MongoDB statements. For more information, see db.collection.insert(). Select The following table presents the various SQL statements related to reading records from tables and the corresponding MongoDB statements.
Which is the best MongoDB GUI? A good UI is an important part of the development experience. The mongo shell works great for administrative actions but when working with larger amounts of data, the UI becomes fairly important. There are a number of options when it comes to MongoDB GUI, some good and some not so good. Our customers regularly ask us which UI we recommend – below are some of the options for MongoDB UI we have considered. Our main scenarios are data visualization, presentation and editing. As always your mileage might vary depending on your scenario and preferences. 1) MongoVue – MongoVue is a desktop GUI for the windows platform. 2) MongoHub is a native Mac GUI for MongoDB. 3) RockMongo is a html based MongoDB GUI. 4) RoboMongo is shell centric MongoDB GUI that supports the Windows, MacOS and linux platforms.
So which UI do we prefer? Multiple Collections vs Embedded Documents. SQL like min and max queries for MongoDB - Scodden. Today I was trying to retrieve the last insertion dates from a set of documents in a Mongo database and I struggled with frustration when I realized that, despite the efforts of the people working on this great product for making their query system very rich and documented, there wasn't a real equivalent for min and max functionality as you'll find on a traditional SQL database.
I was there slowly being aware of my horrible fate (i.e. thinking about MapReduce) when a colleague came up with a little hack. This is how a max query would look like in Mongo: And this is a min query: Simple yet genius. Bare in mind this solution will only work if you are sorting and indexed field, otherwise depending on the size of your collection you could be waiting a long time for the result. Tip: Try to minimize the impact of your query by adding some condition on your find statement. Mongo Querying ManualSQL min functionSQL max function.