We inherited a system that uses MongoDB, and I managed to get the sandbox online without actually learning anything about Mongo. The other environments, though, have data people care about set up in a replicated cluster of database servers. That seems like the sort of thing that’s going to require knowing more than “it’s a NoSQL database of some sort”.<\/p>\n
It is<\/em> a NoSQL database — documents are organized into ‘collections’ within the database. You can have multiple databases hosted on a server, too. A document is a group of key\/value pairs with dynamic schema (i.e. you can just make up keys as you go).<\/p>\n There are GUI clients and a command-line shell … of course I’m going with the shell \ud83d\ude42 There is a db function for basic CRUD operations using db.nameOfCollection<\/em> then the operation type:<\/p>\n CRUD operations can also be performed with NodeJS code — create a file with the script you want to run, then run “node myfile.js”<\/p>\n Create a document in a collection<\/p>\n Read a document in a collection<\/p>\n Update a document in a collection<\/p>\n Delete a document in a collection<\/p>\n We inherited a system that uses MongoDB, and I managed to get the sandbox online without actually learning anything about Mongo. The other environments, though, have data people care about set up in a replicated cluster of database servers. That seems like the sort of thing that’s going to require knowing more than “it’s a …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1907],"tags":[429],"class_list":["post-10372","post","type-post","status-publish","format-standard","hentry","category-mongodb","tag-mongodb"],"_links":{"self":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts\/10372","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10372"}],"version-history":[{"count":1,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts\/10372\/revisions"}],"predecessor-version":[{"id":10373,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=\/wp\/v2\/posts\/10372\/revisions\/10373"}],"wp:attachment":[{"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rushworth.us\/lisa\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}db.collectionName.insert({\"key1\": \"string1\", \"key2\" : false, \"key3\": 12345})\r\n<\/span><\/pre>\ndb.collectionName.find({key3 : {$gt : 10000} })<\/span><\/pre>\ndb.collectionName.update({key1 : \"string1\"}, {$set: {key3: 100}})<\/span><\/pre>\ndb.collectionName.remove({key1: \"string1\"});<\/span><\/span><\/pre>\nvar<\/span> objMongoClient = require('mongodb'<\/span>).MongoClient<\/span>;\r\nvar<\/span> strMongoDBURI = \"mongodb:\/\/mongodb.example.com:27017\/\"<\/span>;\r\n \r\nobjMongoClient.connect<\/span>(strMongoDBURI, function<\/span>(err, db) {\r\n\u00a0 if<\/span> (err) throw<\/span> err;\r\n\u00a0 var<\/span> dbo = db.db<\/span>(\"dbNameToSelect\"<\/span>);\r\n\u00a0 var<\/span> objRecord = { key1: \"String Value1\"<\/span>, key2: false<\/span> };\r\n \u00a0 dbo.collection<\/span>(\"collectionName\"<\/span>).insertOne<\/span>(objRecord, function<\/span>(err, res) {\r\n if<\/span> (err) throw<\/span> err;\r\n \u00a0\u00a0\u00a0 console.log<\/span>(\"document inserted\"<\/span>);\r\n \u00a0\u00a0\u00a0 db.close<\/span>();\r\n });\r\n}); <\/span><\/pre>\nvar<\/span> objMongoClient = require('mongodb'<\/span>).MongoClient<\/span>;\r\nvar<\/span> strMongoDBURI = \"mongodb:\/\/mongodb.example.com:27017\/\"<\/span>;\r\n\r\nobjMongoClient.connect<\/span>(strMongoDBURI, function<\/span>(err, db) {\r\n if<\/span> (err) throw<\/span> err;\r\n\u00a0 var<\/span> dbo = db.db<\/span>(\"dbNameToSelect\"<\/span>);\r\n \u00a0 var<\/span> objQuery = { key1: \"String Value 1\"<\/span> };\r\n<\/strong> \u00a0 dbo.collection<\/span>(\"collectionName\"<\/span>).find<\/span>(objQuery).toArray<\/span>(function<\/span>(err, result) {\r\n \u00a0 \u00a0 if<\/span> (err) throw<\/span> err;\r\n \u00a0\u00a0 console.log<\/span>(result);\r\n \u00a0\u00a0 db.close<\/span>();\r\n });\r\n}); <\/span><\/pre>\nvar<\/span> objMongoClient = require('mongodb'<\/span>).MongoClient<\/span>;\r\nvar<\/span> strMongoDBURI = \"mongodb:\/\/mongodb.example.com:27017\/\"<\/span>;\r\n\r\nobjMongoClient.connect<\/span>(strMongoDBURI, function<\/span>(err, db) {\r\nif<\/span> (err) throw<\/span> err;\r\n\u00a0 var<\/span> dbo = db.db<\/span>(\"dbNameToSelect\"<\/span>);\r\n\u00a0 var<\/span> objRecord= { key1: \"String Value 1\"<\/span> };\r\n<\/strong> dbo.collection<\/span>(\"collectionName\"<\/span>).deleteOne<\/span>(objRecord, function<\/span>(err, obj) {\r\n<\/strong> \u00a0\u00a0 if<\/span> (err) throw<\/span> err;\r\n\u00a0\u00a0\u00a0 console.log<\/span>(\"Record deleted\");\r\n\u00a0\u00a0\u00a0 db.close<\/span>();\r\n});\r\n}); <\/span><\/pre>\nvar<\/span> objMongoClient = require('mongodb'<\/span>).MongoClient<\/span>;\r\nvar<\/span> strMongoDBURI = \"mongodb:\/\/mongodb.example.com:27017\/\"<\/span>;\r\n\r\nobjMongoClient.connect<\/span>(strMongoDBURI, function<\/span>(err, db) {\r\nif<\/span> (err) throw<\/span> err;\r\n\u00a0 var<\/span> dbo = db.db<\/span>(\"dbNameToSelect\"<\/span>);\r\n\u00a0 var<\/span> objQuery = { key1: \"String Value 1\"<\/span> };\r\n<\/strong> var objNewValues = { $set: {key3: 12345<\/span>, key4: \"Another string value\"<\/span> } };\r\n\u00a0 dbo.collection<\/span>(\"collectionName\"<\/span>).updateOne<\/span>(objQuery, objNewValues , function<\/span>(err, res) {\r\n \u00a0\u00a0 if<\/span> (err) throw<\/span> err;\r\n\u00a0\u00a0\u00a0 console.log<\/span>(\"Record updated\");\r\n\u00a0\u00a0\u00a0 db.close<\/span>();\r\n });\r\n}); <\/span><\/pre>\n","protected":false},"excerpt":{"rendered":"