MongoDB Learning Note 6 deep MongoDB creation/insertion (insert)

Insert method for simple single document insertion:

> Db.post.insert ({"Bar": "Baz"}); Writeresult ({"ninserted": 1})

Bulk INSERT, using the Insert method (parameter if an array of documents):

> Db.post.insert ([{"_id": 0},{"_id": 1},{"_id": 2}]);            Bulkwriteresult ({"Writeerrors": [], "writeconcernerrors": [], "ninserted": 3, "nupserted": 0, "nmatched": 0, "nmodified": 0, "nremoved": 0, "Upser Ted ": []}) >

To view the results of the insert:

> Db.post.find ();    {"_id": ObjectId ("54A51CFD7F46906F81B7ADCD"), "bar": "Baz"} {"_id": 0} {"_id": 1} {"_id": 2} >

Note: The Batchinsert method is not available in the new MongoDB;

This article is from the "Margin with Wish" blog, please be sure to keep this source http://281816327.blog.51cto.com/907015/1598300

MongoDB Learning Note 6 deep MongoDB creation/insertion (insert)