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*   Managing Library Records in the Database Manager
Use the Mass Frontier Database Manager to add new records (spectra, trees, chromatograms, structures, compound identification information, and fragmentation mechanisms) to a user library. A user library is any library you created in the Server Manager module. For instructions, see To create a new user library.
You can change and save any record information (spectra, trees, chromatograms, structures, compound identification information, and fragmentation mechanisms) in a library. To indicate a change in a record, the application displays a small circle in the ID number column of the Database Manager Spreadsheet view. Changes in records are not automatically updated in a database; you must manually save them. For additional information, see Database Manager Module.
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To open the Database Manager window
1.
Choose Tools > Database Manager from the Mass Frontier main menu.
–or–
Click the Database Manager icon, , in the Mass Frontier toolbar.
The Database Manager window opens.
Database Manager window
You can add a new record in the Database Manager in the Work tab only. You can update an existing record in any library that is not read-only.
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To add records to a user library
1.
2.
Choose Library > Add To Library from the Mass Frontier main menu.
The Add To Library window opens.
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By default, the application checks whether the structure associated with the spectrum you are adding to the user library is already present in the library. The application compares each structure to be added to the user library with structures already in the library. If the structure already exists in the library, the following message appears:
5.
Click Add.
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To save changes in a library
1.
2.
Choose Library > Save Changes In Library from the Mass Frontier main menu.
When you save a newly created record, the application redirects you to the Add To Library dialog box. For additional information, see To add records to a user library.
Note  If you close a Database Manager window or the Mass Frontier application with unsaved changes, the application prompts you to save them.
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To delete library records
1.
IMPORTANT  When you delete a library record, the information is irreversibly lost. You cannot undo the delete library record function. You cannot delete library records from read-only libraries.
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3.
Choose Library > Delete from Library from the Mass Frontier main menu.
The Delete From Library window opens.
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5.
a.
To delete all displayed records at once, select the Delete Without Confirmation option.
b.
To delete record-by-record, select the Confirm Each Spectra/Structure Pair Before Deletion option.
The application prompts you to confirm the deletion of each selected record in the library, even if you selected only one. For example:
6.
Click Delete.
When you delete a record from a library, the application automatically decrements the ID numbers of records with a higher ID than the deleted record so that there are no ID number gaps in the library.


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Related Topics:
  Using the Server Manager
  Using the Microsoft SQL Server 2005 Express Edition
  Using the HighChem Spectral Tree Library
  Searching Chromatographic Libraries
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