A study of normalization and embedding in MongoDB As one can know the data modeling strategies for relational and non-relational databases differ drastically. Modeling of data in MongoDB database depends ... A Kanade,A Gopal,S Kanade - IEEE 被引量: 33发表: 2014年 Modeling MongoDB with Rela...
Chapter 4. Querying This chapter looks at querying in detail. The main areas covered are as follows: You can perform ad hoc queries on the database using the find or … - Selection from MongoDB: The Definitive Guide, 2nd Edition [Book]
$db->setReadPreference(MongoClient::RP_SECONDARY_PREFERRED); $c=$db->myCollection; $cursor=$c->find(); ?> In this example, the the query will be executed against a secondary. The collection inheritsMongoClient::RP_SECONDARY_PREFERREDfrom the database and the cursor inherits it from the ...
In Chapter 7 we developed a MongoDB database model for an e-commerce application. Now we'll write the necessary queries for using the database and see how to perform common tasks for an e-commerce platform, includingdoi:10.1007/978-1-4302-5795-0_8Anghel Leonard...
This API is used to query a data source.GET /v2/{project_id}/fdi/instances/{instance_id}/datasourcesStatus code: 200Status code: 400Status code: 500NoneStatus code: 200OK
I'm looking to work with a large dataset of images. I would like to process faces in one periodic script and load the descriptors/distances into a Mongo collection for querying at a later time since I can imagine there will be a massive ...
$db->setReadPreference(MongoClient::RP_SECONDARY_PREFERRED); $c=$db->myCollection; $cursor=$c->find(); ?> In this example, the the query will be executed against a secondary. The collection inheritsMongoClient::RP_SECONDARY_PREFERREDfrom the database and the cursor inherits it from the ...
db_user String Database user. inst_name String RDS instance name. ip String Database IP address. mongo_ha_mode String Mongo HA mode. safe_mode Integer Running mode of an MRS cluster. Values: 0: Normal cluster 1: Security cluster
$c=$db->myCollection; $cursor=$c->find(); ?> In this example, the query will be executed against a secondary. The collection inheritsMongoClient::RP_SECONDARY_PREFERREDfrom the database and the cursor inherits it from the collection. ...
<?php$db->setReadPreference(MongoClient::RP_SECONDARY_PREFERRED);$c = $db->myCollection;$cursor = $c->find();?> In this example, the the query will be executed against a secondary. The collection inherits MongoClient::RP_SECONDARY_PREFERRED from the database and the cursor inherits it ...