Q&A

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We are excited to announce the availability of a new version of the Denodo Express 7.0 with new features and fixed issues starting in November 2018.

If you want to try it or if you want to migrate your current Denodo Express version you can download the brand new Denodo Express 7.0 at the Express home page in the Denodo Community.

In addition, if you want to enjoy the Denodo experience you can run one of our Test Drives.

Virtual dataport doesn't start
answered 09-12-2017 21:48:38 -0500

I have installed denodo 5.5 and can't seem to get the tutorial up and running. Virtual dataport hangs up on starting. reinstalling is no use, ideas?

Answers: 3

Delimited file data source, start at specific line
answered 08-12-2017 08:45:54 -0500

I am using DENODO VDP version 6.0 20170925. I want to create a demilited file data source, but my file contains comments in the first 6 lines, each comment marked with the character #. Is it possible to start reading the file only after the comments? T...

Answers: 1

Delimited file data source

Denodo on windows 64bit - 'Virtual DataPort Server' won't start
answered 08-12-2017 08:26:58 -0500

I installed Denodo as administrator and have pointed java home to a 1.8 JRE. In 'Denodo Platform Control Center' the 'self-service' and 'diagnostic' servers are able to start. But the 'virtual dataport server' never starts it shows 'stopped' even if cl...

Answers: 1

VDP server VDP windows Denodo server starting trouble.

Metadata access
answered 08-12-2017 07:42:30 -0500

HI Team, could you please let me know how to access the metadata in Denodo. Do we need a JDBC connectivity to connect to Apache Derby datasource? PLease suggest.. Thanks, Srija

Answers: 1

metadata store

How to push down parameter values to the database
answered 08-12-2017 05:57:16 -0500

Hi, I am using Denodo Virtual DataPort 6.0. The design is to provide access to data in Oracle database (12c) to Tableau (10.1) using Denodo at the middle. There is only one relevant table (the fact table) and a security table to filter the data. The ...

Answers: 1

variable parameter database push

Restful API: Aggregation function with $grouby not working
answered 07-12-2017 07:35:43 -0500

I am trying to consume Rest API from denodo and finding some issues. View has multiple fields like userid, username, managerid, amount. When I am calling service like this /servicepath/view/viewname?managerid=xxxx&$select=userid,username,managerid...

Answers: 1

REST API Aggregate

Aggregate operation on Rest web service
answered 07-12-2017 06:50:23 -0500

Hi, Does Denodo allow passing aggregates operations over an API? I have a REST API and the user needs to select only 3 columns from that API, group by 2 columns and calculate aggregate(sum operation) over the third column. I am able to select three co...

Answers: 1

REST API Aggregate

If you apply a BETA version of the denodo software what is the process to when that version becomes GA?
answered 07-12-2017 05:13:18 -0500

I want to install the BETA version of 7.0 to try it out, what do i need to do when it becomes prod ready?

Answers: 1

JSON Resource paramterized Resource GET Request
answered 07-12-2017 04:08:00 -0500

I was wondering if similar to the parametrized POST request for a JSON resource it is possible to request a certain resource by id. e.g. http://example.org/resource/@{id} could be used to join with a table that bind to the 'id' parameter.

Answers: 1

Error initilializing query metadata
answered 06-12-2017 23:13:29 -0500

Getting below error while executing view. Finished with error: Error executing query. Total time 0.641 seconds. dv_coh_dashboard_chart [CACHE] [ERROR] DV_COH_DASHBOARD_CHART [JDBC WRAPPER] [ERROR] Received exception with message 'Error initilializing...

Answers: 1