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 September 2019.

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.

Connecting Tableau to Denodo
answered 10-04-2018 08:26:22 -0400

How do we conenct tableau to denodo? When i select Denodo in Tableau it need inputs like Server : Port : Database: Authentication: Username : Password : Can someone tell me with example where do i get these details?

Answers: 1
Related to: Connecting Tableau Desktop to Denodo

ODBC Tableau Connectivity Tableau denodo with tableau

How to use substr / substring function to fetch last n characters of a string
answered 09-04-2018 23:43:31 -0400

In most databases we are able to fetch last n charaters using substr function in the following manner.... select substr('abcdefghij',-3) from dual; This returns the string 'hij' i.e the last three characters. How would I be able to do the same using De...

Answers: 1

substring

How to read values of array column without flattening it.
answered 09-04-2018 07:26:04 -0400

Hi team , I have an array column in my selection view which I want to use to make decisions based on the values in that array .For example I have array which has country codes . in my selection view I want to check - For a particular fund if that arra...

Answers: 1

work with arrays ; reading arrays

Hardware Requirements for VDP client
answered 09-04-2018 06:14:08 -0400

What are the Hardware Requirements for VDP client?

Answers: 1

VDP client

Aggregate Awareness
answered 09-04-2018 05:09:23 -0400

Not sure if this question belongs in this section, but I would like to know how Denodo handles aggregate awareness. Does Denodo have the ability to be configured logically to pull from a single fact table, but physically have multiple tables at differe...

Answers: 1
Related to: Data Virtualization and ETL

Aggregate query re-write

REST data source returning only text/plain
answered 09-04-2018 02:42:01 -0400

I am using Denodo 6. I am faced with a REST data source that actually returns text/plain only - application/json or application/xml is not offered. Probably the easiest approach is to create a Delimited File data source with a very uncommon delimiter, ...

Answers: 2

REST HTTP

Stopping queries through VQL shell
answered 06-04-2018 08:33:09 -0400

I wanted to see if there was a kill command we could run via VQL shell to stop all queries. We are looking to integrate a way to stop all running queries with a script before a release is done.

Answers: 1

Is it possible to query only the data in the Cache of a derived view?
answered 06-04-2018 08:15:25 -0400

Hello - very new to Denodo and running into a questions I am looking for help with. Esentially, I have created an ODBC connection between our denodo databases and Alteryx. I am querying data from a denodo table, but I am only interested in returning da...

Answers: 1

Driver ODBC Alteryx Cache

SUBSTR not working on Union View
answered 05-04-2018 08:24:43 -0400

Hi Team I have a 3 Views say A(BaseView),B(BaseView),C(Union View- Union of A and B Base Views). So when I am trying to put a SUBSTRING Function in one of the column in C Union view its not able to put so any idea why its not making me to use. Regard...

Answers: 1

View Parameters disable
answered 05-04-2018 08:21:54 -0400

Hi! Im trying to do the DEN60EDU118 LAB01. In some point it ask us to use view parametes botton. When im trying to do it, the botton is disable it says: "This feature is not allloed by the licence"! I use de lincense provide by the express instalatio...

Answers: 3

Parameter View