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Questions tagged [unidata]

UniData is an extended relational database and integrated development environment. It is part of the MultiValue Database family. It features its own query language called UniQuery and programming language called UniBasic.

UniData is an extended relational database and integrated development environment. It is part of the MultiValue Database family. It features its own query language called UniQuery and programming language called UniBasic.

UniData was originally developed by the Unidata Corporation for embedding in vertical software applications, but after several acquisitions, including by IBM, it is now owned and developed by Rocket Software.

References

UniData V7.3.x Manuals
U2 Developer Zone
Code examples on github
U2 Users Group

127 questions
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How do I access MultiValue data from U2 Toolkit for .NET?

I am getting the following message when trying to select * from the U2 data files. [U2][UCINET][UNIDATA]:Multi-value or multi-subvalue are not supported in this version\r\n" Is there a version that does not get this error, if I select only one field…
Jackie Burhans
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How can I specify the LIBPATH on a UniObjects for Java subroutine call?

I am having xml errors due to a LIBPATH setting when calling a UniSubroutine through UOJ. Referencing the U2 Knowledgebase article SFMA-17048, I tried using the SETENV Unibasic function, but this was not effective. I am using Unidata 7.2.5 on aix…
slestak
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Unidata on Windows 2019

recently made a switch from Unidata on HPUX to Unidata 8.2 on Windows. Previously on HPUX we could do a LIST and it would view all results on screen and we could scroll up and see all results. now on windows, when we do a LIST it will output a…
sirjonathon
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Functions vs External Subroutines in Unidata/Universe

Are there any advantages to using a function in place of an external subroutine, such as speed, efficiency, etc.? Trying to decide how to implement a standard methodology for validating inputs. The routine will be called numerous times, so…
Tom Davis
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How to create netcdfFile without location ? JAVA

I am trying to convert a product into netcdf object. i am using unidata library. What i want to do is return a netcdf object into xml response. In fact, I create NetcdfFileWriter with method createNew() . But a location is mandatory. I do not want…
Fab83i
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Execute Unidata Process from the shell command lines?

Is it possible to execute the Unidata process from the Unix Command line?? If it's possible, can anyone please let me know how to?? I just want to add some Unidata Processes into the shell script and run it from the Unix Cron job. Unidata…
Jerry chen
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Connection using uniobject.NET connection to unidata account does not work and transaction fails

I am using Uniobject.Net for connection to unidata account. Connection is successful but while using the transaction processing it fails during transaction commit. It says "No Transaction is in progress" in the client side message. We used user with…
Sandy
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Access OPeNDAP data using netcdf-java library or other method in java

I'm trying to access data from the NOAA nomads server in my Java Spring Boot application. https://nomads.ncep.noaa.gov:9090/dods/wave/mww3 I've been trying to use the Netcdf-java library to access the data via OPeNDAP. As per the docs (…
Jules
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Does UniData only allow one command or query per connection at a time?

Does UniData (Rocket U2) only allow one query or command to run at a time per connection? I know each connection has a process or two (udapi_server/slave/etc. I believe), and we pool connections via UniObjects connection pooling. I know there have…
Tony B
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Issue with average calculated station spacing for objective analysis procedure

I am running the Barnes objective analysis procedure on Oklahoma Mesonet data using interpolate_to_grid, which reads in the calculated station spacing output from interpolate_to_points. This is calculated using ave_spacing = cdist(points,…
theweathermanda
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Is UniObjects supported in UniData 8.x?

We integrated with UniData in 2013 using UniObjects for .net and we tested against UniData 7.3. We now have a client on a newer versions of UniData (8.1) and we are having new problems with the integration. I dug through the documentation on…
Mike Bourret
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UniData Concatinate in SELECT

I need to search on the concatenated data in UniData using UniQuery. what are my options? Something like below: SELECT CUSTOMER.DETAILS WITH (FIRSTNAME:LASTNAME) = "????" Basically below is search criteria: FIRSTNAME + LASTNAME = ? Cheers
Barsham
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Is there a way to store data-points instead of creating multi-dimensional array?

I am trying to read data available and write it to a NetCDF file. Say, I am reading temperature along different time, depth, latitude and longitude values, I will have to create a whole 4D grid of time, depth, latitude and longitude as…
Mayank Yadav
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How to alias a column in Unidata query with U2 provider

In SQL Server, I can create a column alias like so: select id as NewID from sometable How can I accomplish this in the U2 provider? I've tried: select id NewID --returns Column0 select id as NewID --returns Column0 select id "NewID" --returns…
Jeff
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Thredds getCapabilities for ncWMS server

Thredds Data Server TDS provides getCapabilities for a netCDF file. e.g. http://localhost:8080/thredds/wms/testAll/Filename.nc?service=WMS&version=1.3.0&request=GetCapabilities Here, the filename would be a netCDF dataset present at this location…
Alberto
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