Mongoimport/mongoexport (compatibility: both tools need to be on the same version e.g. v100.9.0): Best for small datasets (<100GB) due to JSON/CSV conversion overhead. Atlas live migration service (compatible w
Navicat for MongoDB gives you a highly effective GUI interface for MongoDB database management, administration and development.
define stage to add degrees field with converted value tempconversionstage = { $addfields : { degrees : { $todouble : { $substrbytes : [ "$temp" , 0 , 4 ] } } } } ; db. weather . aggregate ( [ tempconversionstage , ] ) the operation returns the following documents: { "_id"...
发生错误时, MongoDB将返回以下代码之一。 使用本指南解读日志以及解决 mongod和mongos实例的问题。 代码 原因 1 InternalError 2 BadValue 4 NoSuchKey 5 GraphContainsCycle 6 HostUnreachable 7 HostNotFound 8 UnknownError 9 FailedToParse 10 CannotMutateObject 11 UserNotFound 12 UnsupportedFormat 13 Unauthoriz...
During the conversion process, the convertToCapped command exhibits the following behavior: MongoDB traverses the documents in the original collection in natural order and loads the documents into a new capped collection. If the capped size specified for the capped collection is smaller than the siz...
The support level of the database, for example Mainstream support. Type: String Required: No Tooltip Information about the database engine software, for example Mainstream support ends on November 14th, 2024. Type: String Required: No See Also For more information about using this API in one...
MongoDB 8.0 is a Major Release, which means that it is supported for both MongoDB Atlas and on-premises deployments. MongoDB 8.0 includes changes introduced in MongoDB Rapid Releases 7.1, 7.2, and 7.3. This page describes changes introduced in those Rapid Releases and MongoDB 8.0. ...
dateConversionStage = { $addFields: { convertedDate: { $toDate: "$order_date" } } }; // Define stage to sort documents by the converted date sortStage = { $sort: { "convertedDate": 1 } }; db.orders.aggregate( [ dateConversionStage, sortStage ] ) The operation returns the followin...
“Navicat does an excellent job and as an added bonus, we can use the export function to convert data into other formats for specialized use. The XML conversion was particularly impressive.” Donald J. Varney Systems Developer III State of Vermont - Department of Banking, ...
JSONcan only directly represent a subset of the types supported byBSON. To preserve type information, MongoDB adds the following extensions to the JSON format. Canonical Mode A string format that emphasizes type preservation at the expense of readability and interoperability. That is, conversion from...