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0
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2answers
17 views

Open Source tools to visualise MySQL/MariaDB performance metrics (show global status with intervall)

I search for an Open Source tool to visualise MySQL/MariaDB performance metrics (output of show global status in nice graphs). In MongoDB world there is the Closed Source Ops Manager and the Open ...
0
votes
1answer
53 views

How can I normalise data from a database in an SQL Like Query for InfluxDB?

I have a table like the following: TIME . VALUE 1:00 . 250 2:00 . 600 3:00 . 550 4:00 . 842 5:00 . 105 I would like the normalise the data using this equation: (VALUE - MIN-VALUE) / (MAX-VALUE - ...
0
votes
2answers
40 views

Using PostGIS to compute graph data

I have a query which return me two dimension data: SELECT POINT(value , extract(EPOCH FROM datetime)) AS pseudo_geom FROM table gaves me pseudo_geom --------------- (18,1439679940) (29,1439680000) ...
1
vote
1answer
56 views

SSRS - Graph Line Value for Parameter

For the purpose of reporting database growth, I am created everything except one and most important thing. In SSDT I'm created report, which contains graph line which need to be show in depend of ...
0
votes
1answer
96 views

How does one create a data base for a survey/questionnaire? [duplicate]

I need to create a database for a wordy questionnaire. At the end I want to be able to graph my information. Where can I do this?
2
votes
1answer
187 views

Plotting graphs for MYSQL

I was executing following command mysqladmin ext -i1 -c3600 It produces valuable output but I want to use the output to plot graphs so that I can visualize inserts, updates, buffer and other stuff. ...
1
vote
0answers
39 views

Type of relational/object-oriented database with improved joins for object graphs?

I would like to know if there is a specific name or term for the kind of database described below: I notice one of the biggest problems when working with relational databases and object trees/graphs ...
3
votes
2answers
1k views

Best design for a tree-like structure database

I'm designing a database in MS Access which is used for tracking the locations of a variety of chemical solutions, made in batches. Each batch can be split (aliquoted) practically indefinitely. That ...
1
vote
0answers
225 views

OrientDB distributed architecture

Technically this question could relate to any database that performs in a similar distribute manner but given that I am specifically working with OrientDB I thought the question should be target as ...
-1
votes
1answer
370 views

document and edges in orientdb

I was playing around with OrientDB lately and was create some classes and edges. I was able to create edges between documents, is this something that is expected from OrientDB when edges are ...
4
votes
1answer
2k views

Modeling Graph Data in Cassandra DB

I want to use Apache Cassandra to store a large amount of graph data according to a property graph model. The model contains the following entities: Vertices: Contains a map of key/value pairs (...
2
votes
2answers
2k views

How to create multiple graphs with TitanDB (+Cassandra) in the same machine?

I'm experimenting with TitanDB (with Cassandra as storage) + Rexter. I've been reading the documentation during hours and trying to create multiple graph DBs on the same machine, but I didn't find ...
1
vote
1answer
861 views

How to aggregate pairs of id values into groups

I have a table with two id columns id1 and id2. Each row shows that 2 id values have been linked together. My actual data has both id columns as varchar(20) but I have used integers in the example ...
1
vote
1answer
122 views

Use Database to Store Data Extracted From Internet

I'm mining 500 million users, and their "followers" from a social network using their API. The extraction of data itself is not a problem, since I can do it with my scripts. However having 500 million ...
0
votes
0answers
90 views

How can I model this problem in a graph database?

I have a project that I'm working on where I extract data from PDFs and map/visualize the relationships between the extracted pieces. Here's an example of my problem: file: 11425646.pdf author: ...
2
votes
1answer
2k views

Graph Database with “non-graph” data

--- Update --- Thanks for the comments and the help so far. And I apologize for not specifying the question further. I have updated the question below. --- Update --- Currently I am asked to develop ...
4
votes
2answers
117 views

Which database type to use

I want to implement database for following application:- User creates task and assigns to other user who can furthur split it into subtasks and assign it to other users.creaking a tree like structure....
4
votes
1answer
84 views

Selecting Without Repititions

I have table with observations of objects moving along edges in a graph, this table has the following form: PK | TIMESTAMP | object_id | from_id | to_id where object_id is the id of some object and ...
1
vote
2answers
296 views

Can graph databases be easily distributed?

I have never worked with graph databases such as neo4j, I would like to know if they support easily replication and clustered distribution as well as key-values databases, or if there inherent ...
3
votes
3answers
854 views

Which graph database for search engine and gis? [closed]

I just learned there are "graph databases" out there, which are more suited for two applications "search engine" and especially "gis". To avoid discussions whether a relational DB is better suited ...
1
vote
1answer
437 views

Graph database with Erlang driver

I need a graph database system that has an Erlang driver. Can you advise which database system to use?
5
votes
4answers
13k views

Visualization of MySQL/PostgreSQL table structure as a graph/UML

Is there any program, source code or API that will take a MySQL or PostgreSQL schema and spit out a UML or some other graph visualizing of it?
6
votes
1answer
692 views

Terabyte data set

I have the feeling that most of the database systems originate in the '80s and stereotypically implement tables, ACID transactions and constraints. They were build having in mind the scarcity of ...