Questions tagged [schemaless]
73 questions
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1 answer
Need visual application development tool for complex many-to-many and hierarchical relationships
I'm looking for a visual database application development tool (GUI based, or script) that we can use to develop an application that takes a set of text and numeric fields through a series of transformations that build numerous many-to-many and…
stebbin45
- 109
- 11
1
vote
1 answer
what is mean by schema less in No SQL?
I am just a beginner in No SQL, while learning I saw its schemaless. Yes, I understand if I have to insert data, the data structure is not required on No SQL (without creating tables or collection), but other than that what it differs from SQL in…
Aakash p
- 21
- 3
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1 answer
Convert JSON Lines to JSON array using Apache Nifi
I have a file that includes (schemaless) JSON Lines encoded data.
For example:
{"foo" : "abc", "bar" : "def" }
{"foo" : "xyz" }
{"foo" : "ghi", "bar" : "jkl", "name" : "The Dude"}
I would like to use NIFI to convert this into a JSON…
John Sobanski
- 147
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1 answer
Create schemaless collection in mongoDB via mongoose
I have the following mongoose schema records:
var mongoose = require('mongoose');
module.exports = mongoose.model('lM', {
any : mongoose.Schema.Types.Mixed,
},'mlr');
And in my code I am doing as such:
var lm =…
JoaoFilipeClementeMartins
- 1,770
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1
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1 answer
Schema-less in All layers
I have use case where schema of my entities keep on changing again and again.
Based on that i have to change/add new business rules which is not scalable for me.
I am trying to go schema-less by using JSON documents in my data , service and ui…
T.J.
- 1,466
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0 answers
indexing XML Solr Schemaless mode
I'm using Solr in schemaless mode, and I want to index some XML files, using the post command via shell.
I've configured in solrconfig.xml the ManagedSchemaDefinition and commented the ClassicIndexSchemaFactory.
The post command index successfully…
Francesco Marchitelli
- 137
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1 answer
Schemaless mode in solr while indexing from a database
I am trying to index some data from the database and I want to opt for schemaless mode. I did the basic database connection in the filesystem and no other settings done.
Now, when I index, I can see the documents indexed but when I try to query, I…
user3554854
- 31
- 2
1
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1 answer
Is it possible to include special characters in a field name with Solr in schemaless mode?
I want my dynamic field names to be able to include hash characters. Is this possible when Solr is in schemaless mode?
Joe Walsh
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How does Cassandra compare to MySQL (or any other RDBMS) in a single node setup?
Having studied about relational databases, document-stores, graph databases, and column-oriented databases, I concluded that something like Cassandra best fits my needs. In particular, the ability to add columns on the fly and no requirement to have…
ahron
- 803
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Solr fails to store literals sent to Tika when using Schemaless mode
I'm using Solr + Cell (Tika) + schemaless mode and when I send files to be indexed I'm not seeing any of the literals I've provided stored in the result documents. Here is what I see returned when I execute a *:* query in solr admin UI. It only…
chubbsondubs
- 37,646
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1 answer
approaches to DBMS selection for database with dynamic schema?
I am starting a project and have tried to abstract out the challenges that it faces. I am from a RDBMS background and am looking to make a sensible decision on storage technology(ies) for my next project. I know how I would approach these problems…
button
- 666
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1 answer
MongoDB: is indexing a pain?
Speaking in general, I want to know what are the best practices for querying (and therefore indexing) of schemaless data structures? (i.e. documents)
Lets say I use MongoDB to store and query deterministic data structures in a collection. At this…
neleus
- 2,230
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1 answer
Relationship in schemaless OrientDb
In a schema-less how are made the relationship: embedded or referenced?
I can read in ODocument API that If I use the method
public ODocument field(String iFieldName,
Object iPropertyValue,
OType iFieldType)
to add a new field,…
aGO
- 1,263
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1 answer
Partially schemaless Document overwrites schemaless values
I have a class in C#, something like:
public class MyEntry
{
public ObjectId Id { get; set; }
public string SimpleHash { get; set; }
public string GroupIdentifier { get; set; }
}
now saving this in mongo works as it should. Now I'd like…
Roemer
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1 answer
PHP with Mongo DB store & view Images
I successfully stored image files in MongoDB using PHP, when i retrieve images from Mongo db i had some problem, can anyone give the solution
Here is my code:
selectDB("example");
$article = $db->articles;
$files…
senthilbp
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