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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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Trying to build PHP PDO extension for Rocket U2

I wonder if anyone can help me with a problem that is making me pull what's left of my hair out... I am currently working on a project that requires me to talk to a Unidata database. PHP has no native driver to access this type of database, however,…
kaigoh
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convert a netcdf time variable to an R date object

I have a netcdf file with a timeseries and the time variable has the following typical metadata: double time(time) ; time:standard_name = "time" ; time:bounds = "time_bnds" ; time:units = "days since 1979-1-1…
ClimateUnboxed
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Accessing UniData through .net

I'm having trouble with accessing UniData data from the u2.net toolkit. I'm able to connect ok - have tested connections with the "Test Connection Tool" and in code, both connections work fine. My problem is when I try and fill a dataset - using…
user1757494
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UniData Data Access Products for .NET

I am doing some research about how to access data in a UniData database from .NET code. From what I have found, I can use UniObjects for .NET and U2.NET. I have also found this information, which I think is possible by using U2.NET, but I'm not…
Ronnie Overby
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MD5 hashing of Sequential files and dynamic arrays in UniData

I am creating a sequential file which requires a digital signature (MD5 hash). While I am creating the sequential file I am also creating a dynamic array with the same data. If I perform a MD5 hash on both the sequential file and dynamic array can…
jneasy
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How can I get schema information about a UniData/UniVerse database?

I have some (limited) experience with UniData and UniVerse databases and now wanting to work with them via the .NET framework. It appears that the way to work with them now is via Rocket Software's U2 Toolkit for .NET. Since I will be accessing…
ksigmund
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U2 Toolkit for .NET - UniSession vs U2Connection

I'm struggling a bit with some of the base concepts of U2 Toolkit (and I've been quite successful with the previous version!). First, I had to add using U2.Data.Client.UO; in order to reference UniSession or UniFile. This may just be general…
Scott Marshall
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UniObjects for Java how to open sessions to emulate connection pooling

I'm developing an API that connects UniVerse database to a REST endopoint. The problem is that we dont have license for native connection pooling using the UniVerse library for Java. This software is developed in Java using Spring Boot, and the way…
becodev
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UniData Current Date Function

Is there the equivalent of the sql server getdate() function in UniData? I'd like to be able to query a table like this: SELECT GETDATE() AS EXPORT_DATE, * FROM TABLE
Jeff
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How to do fetch pages when querying universe database using .net sdk and sql

I am connecting to a universe database (from rocket software) using their .net driver. I would like to fetch data on demand on user request per page i.e. do pagination. With other databases we could use (offset fetch) but universe db doesn't seem to…
Bhupendra
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Freeware for browsing Multivalue databases/Unidata

I'm looking for some free software to let me browse through the files/records in a Unidata server. I found a program several months ago, but have no idea what it was called or where I found it.
Ronnie Overby
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How can I handle JSON strings in UniData?

I am receiving JSON strings from a web service. Is there any JSON parsers for UniData? I am on version 7.2.
user3070937
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How to connect to UNIDATA on Unix with uniobject for java

Can someone tell me the how to establish a connection to a UniData database that is on Unix with the UniObjects for Java API? Also does any know if this is possible with JavaScript or PHP?
Maricia Alleman
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Learning to query UniData

We have an IBM UniData server. I just installed UniObject .net. It looks like you just issue unidata queries through the .net classes. Where can I learn the query language/syntax and to work with UniData in general? What books, sites, or videos do…
Ronnie Overby
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How do I set the timezone for UniObjects?

I am connecting to an AIX 5.3 box from Win7Pro using Uniobjects for Java. When the udcs user logs in, /etc/profile is executed. It appears that /etc/environment is not sourced. If a rpc method (using aix user 'sbr') calls a Unidata subroutine that…
slestak
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