Q&A

Cannot connect to Denodo Express server running at port 9999 using NPGSQL driver version 5.0.3.0
answered 28-02-2021 12:30:37 -0500

I am trying to connect to Denodo express server running on localhost on port 9999 using NPGSQL version 5.0.3.0. The exception is : "Exception while reading from stream" The exception stack is shown below. at Npgsql.NpgsqlReadBuffer.<<Ensure>g...

Answers: 1

Import descriptions - Database adapter DENODO virtual dataport 7.0
answered 26-02-2021 07:09:55 -0500

Hi, When i create a data source from other vdb using database adapter DENODO virtual dataport 7.0 with driver denodo com.denodo.vdp.jdbc.Driver how i import descriptions from views? Thanks

Answers: 1

Resource Manager - Limit per user
answered 26-02-2021 05:59:00 -0500

I did this configuration in my resource manger and didn't worked. for exemple, I intent to have maximum 5 queries per user and not maximum 5 queries running in the server. what's happening for my is: user 1: running 2 queries user 2: running 2 quer...

Answers: 1

resource Manager

Create VQL that will generate a list of all views and fields and descriptons
answered 26-02-2021 04:03:57 -0500

Is there a simple way to write a VQL script that not only shows all of the views -- i.e. LIST VIEWS on [database] but also would show the view and the columns, and field type from that view... (as well as description if possible). We are trying to g...

Answers: 2

VQL list

Analytic Functions (Window Functions) using denodo 8.0 Error executing view: Function row_number is not executable Any possible ways to use Analytic Functions in denodo
answered 26-02-2021 02:19:45 -0500

Analytic Functions (Window Functions) using denodo 8.0 i have added functions into datasource (oracle19c) using source_configuration still getting below error Error executing view: Function row_number is not executable Any possible ways to use Analyt...

Answers: 3

Analytic Functions (Window Functions)

Resource Manager - Limit by user
answered 25-02-2021 08:59:59 -0500

How can I implement a rule with Resource Manager in order to limit the concurrent queries by user. I believe 5 query by user is ok. Thanks.

Answers: 2

Can the Built-In XSLT Transformations capabilities be used to generate highly formatted, dynamic query, PDF documents?
answered 25-02-2021 07:27:11 -0500

We need to generate formatted documents from data in our SQL database including images. A parameterized query is used to access the data set for each document to be created. Can the Denodo built-in XSLT transformations capabilities be sued for this pur...

Answers: 1

PDF XSLT

Order of records getting changed
answered 25-02-2021 05:01:54 -0500

Hi Team, I have teradata storedprocedures which has update statment when i execute the restAPI by updating a record then the order of rows are getting changed example: before updation: ROW1 ROW2 ROW3 ROW4 After updation: ROW3 ROW1 ROW4 ROW2 etc like a...

Answers: 1

Query memory Usage: need to find a better alternative to handle large queries
answered 25-02-2021 01:51:35 -0500

Hi, Settings of memory usage: Maximum query size: 200 MB swapping status: ON Max size in memory of each node: 50 MB Max size of blocks stored: 200 KB There is a view which is using more than the specified memory. We don't want to increase the memory ...

Answers: 1

Setting CONTEXT ('formatted' = 'yes') as default?
answered 24-02-2021 07:44:43 -0500

Is there a way I can have the system, by defult, add "CONTEXT ('formatted' = 'yes')" to the end of a derived view when I use the VQL Shell to create views, instead of having to write it out at the end of every script?

Answers: 1

VQL vql shell context formatting