Online Database
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Accessing the ODB interactively
Accessing the MIDAS ODB interactively is done in two possible ways:
- Using the odbedit application command line.
- Using a web browser accessing the URL of the midas server
The ODB Structure
The data in the ODB are structured in a tree form with each "directory" dealing with a specific section of the acquisition. Particular system applications such as the Data Logger, Frontend will create on their initial ODB structure without user intervention. Later it will be possible for the user to modify these configurations to fit his requirements.
List of ODB Trees (in alphabetical order)
- /Alarms ODB tree → Contain all the alarms definitions created by the user
- /Alias ODB tree → Location for shortcut visible in the Mdias web page
- /Analyzer ODB tree → Reserved for the data analyzer
- /Custom ODB tree → Location for custom webpage
- /Customscript ODB tree → Location for general custom scripts
- /Elog ODB tree → Location for Elog interface definition and configuration
- /Equipment ODB tree → Location for Frontend Equipment operation
- /Experiment ODB tree → Location for Experiment general configuration
- /History ODB tree → Contain history definition/configuration
- /Logger ODB tree → Location for the data logger configuration
- /Lazy ODB tree → Location for the secondary data logger configuration
- /MSCB ODB tree → Location for the Ethernet MSCB device accessible from this experiment
- /Programs ODB tree → Contain all the applications information connected to this experiment
- /Runinfo ODB tree → Contain run information
- /Script ODB tree → Contain external scripts links
- /Sequencer ODB tree → Contain the run sequencer configuration
- /System ODB tree → Maintain current system information for all the connected application
Note: The user is allowed to create his/her own directory structure under root (/) for his/her own purpose. All the ODB functions are applicable to this structure as well.