Questions tagged as 'nosql'

Tagged questions
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Cassandra CQL Shell opens and closes

I started to study about CassandraDB, but I'm using Windows. When I start the 'DataStax DDC Server 3.9.0' service I get an error. Viewing the logs, you get the error: Arquivo: datastax_ddc_server-stderr.xxx.log: 2018-10-19 10:32:28 Commons D...
asked by 19.10.2018 / 17:04
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Update in array MONGODB

{ "_id" : "55dcb404478e7227203d3a65", "Nome" : "Grupo Familia", "Pessoas" : [ { "PessoaId" : "55dcb425478e72207833e970", "Nome" : "Carlos", "Habilidades" : [ { "HabilidadeId" : "55dcb433478...
asked by 27.08.2015 / 21:59
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Multiple environments with AWS DynamoDB

Is it possible to create different environments for development, qa, and production using AWS DynamoDB on Amazon?     
asked by 16.07.2018 / 19:36
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GeoQuery: Calculate the size of a LineString

How would I make a query for the bank to return me the size in Km of a LineString . Let's suppose I have the following LineString saved in a document : { type: "LineString", coordinates: [ [ 53.3477, -6.2597 ], [ 51.5008, -0.1224 ], [48...
asked by 25.06.2018 / 22:20
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How do you change only one array element of an object in firebase using ionic?

I have the following data structure { "carro" : { "-LDqO3v1IBcV2CC7MRhi" : { "donos" : [ { "key" : "-LDO7wjhNgyjGhjJ1_G4", "nome" : "wagner" } ], "modelo" : "ford ka" }, "-LDqO7G8d6HmZFVi3NKb" :...
asked by 31.05.2018 / 15:38
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What is a Distributed Cluster?

I am studying about database, specifically the mongoDB. So, in the face of my ignorance, I would like to know what this expression, cluster distribuído or consulta em cluster distribuído , means.     
asked by 30.05.2018 / 00:17
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Mongodb remote backup

I have an application in production using NodeJs and MongoDB through Mongoose. This same application has a version that runs on a local offline server. Both databases have the same data and back up the app online to offline. It turns out that no...
asked by 11.05.2018 / 23:10
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What is capped collection?

Hello, I would like to know what Capped Collection is and what we use in MongoDB.     
asked by 23.04.2018 / 06:29
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Reading the nodes from the firebase

I need help solving this function, I have a database where I store data. The Patients node has one child, who is their responsible nutritionist and each nutritionist has their children where I used the push method to store patient data. The pati...
asked by 06.04.2018 / 17:48
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Elasticsearch Inner with store

In my project there are about 40,000 products from different stores, but to return a search for Elasticsearch , I need the city and state filter from where the store is located. The problem is this, if a store has 10,000 products, should I put...
asked by 27.12.2017 / 20:38