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Questions tagged [data-virtualization]

For development issues associated with usage of enterprise data virtualization tools (Tibco DV, Denodo, Informatica DV, etc.)

Data virtualization is any approach to data management that allows an application to retrieve and manipulate data without requiring technical details about the data, such as how it is formatted or where it is physically located.

https://en.wikipedia.org/wiki/Data_virtualization

http://www.compositesw.com/data-virtualization/

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How to use Kendo-ui grid for virtualization of remote data?

I'm using kendo-ui grid for AngularJs and want to activate virtualization of remote data functionality. For testing I have set pageSize: 5. Below is description of virtualization of remote data from telerik site: There are cases when you may need…
user6408649
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JBOSS Teiid error when execute VDB. error message is "Error acquiring connection profile properties"

Recently, i work on data virtualization to integrate data across division. After search on several software i decide to use Redhat JBOSS Data Virtualization because the software is open source. I have installed JDK , JBOSS Studio and Data…
ricky16
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Teiid Designer: Always getting "Service jboss.data-source-config. is already registered" error when deploying vdb

when I try to deploy a new virtual database (Teiid9TestConnection_DS is the datasource name, a local MySQL datasource for testing) I always get the following error, even at the very first deploy attempt: ERROR…
Sembee
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Windows 10 datavirtualization with datagrid and rowdetails

I'm using a datagrid with rowdetails with it's ItemsSource bound to an AsynchronousVirtualizingCollection based on this project by Paul McClean . Using Windows 7, .Net Framework 4.5 I had trouble when selecting rows in the grid, the entire…
RutgerIZIT
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Aggregating data in R on longitude and latitude with a certain radius

I have sensor data with location longitude and latitude. I have the following data points: And I would like to aggregate points within a certain distance from each other to one point along the route, like this: Each new point will be in the centre…
Koci Kocev
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Apche JENA's integration with data virtualization tools

Anybody did any implementation of Apache JENA on top of RDF models(using R2RML mapping) created from Virtual Databases in Data Virtualization layer. I am specifically looking for integration with JBOSS-Teiid, Apache JENA, R2RML mapping. Any…
shakti prasad mohapatra
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How do I enable HTTPS for the embedded tomcat in Denodo?

I'd like to enable https for all my incoming web requests to Denodo using a self-signed certificate. How do I do this? (Denodo comes installed with an embedded JRE and Tomcat) (I'm posting this question and including the answer in hopes that…
Colorado Techie
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Detecting scrolling to the end of listbox

I have a large list of items, so i should request corresponding page from the server. How to catch an event, when user scrolls to the end of the listbox, so i can request another page?
Vitalii Vasylenko
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d3.js json structure add data

I'm drawing a pie chart with two simple values: label and value. This is my json: { "valuecase": { "times": [ {"label": "label", "value":5}, {"label": "label", "value":13} ], "record": [ {"label": "label",…
carlo
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Rendering large formatted table in C# WPF

I am currently doing a C# WPF application that generates a table that does comparison reports. The table is large with formatted background, foreground, etc. I tried to use Table within FlowDocument, but the processing was slow, and it is almost…
Wee
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How to implement WPF DataVirtualization with data coming from a database?

I have an application which is connected to a WCF service collecting data from an SQL server database store procedure. From the UI side i have read many article on the use of DataVirtualization in order to optimized displaying large amount of…
serge
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Is there a different between data virtualization and data orchestration?

I'm doing research on data federation, data fabrics, and data meshes and I've come across two terms that seem eerily similar to each other: data virtualization and data orchestration. There's a lot of content on Google that is available to read on…
Jane Alice
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Data visulisation using ridge and scatter plot

Background: I am working on python, I have a lot of data points (in .CSV form) so far what the code I have Reads the csv and the "result" column if the value in the "result" column is positive, the code plots the A B C D E F G parameters…
user157522
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To remove data from the database and keep it somewhere else which I can treat as a entity

I have a Spring Boot project. Currently, I have a datasource which is having all the data which also comprises of some config tables. We are thinking of keeping some of the config data out of our datasource and maintaining it somewhere else, but we…
Debashis
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Getting DataVirt to Run when Instance is Started

DataVirt runs as it should when I execute standalone.sh in the DataVirt instance. Is there a way to fire it off automatically when the instance is started, so that executing standalone.sh will not be required? I believe there is a way to do this,…
PyNerd
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