DBSG3 rel. 1.0
A WEB based server
Introduction
for Users and Table-Keepers
. ITU-R Study Group 3 Meeting
October the 3rd 2006
Prepared by:
A. Martellucci
ESA-ESTEC
Outline
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Definitions and Acronyms
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From DBSG5 to DBSG3 r. 1.0
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How to get to DBSG3
– Relevant documentation
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Table Publication Process and Roles
– User, Table Keeper, Publisher
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WEB Interface for User (Us)
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WEB Interface for Table-keeper (Tk)
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Table Maintenance Tools and Procedures
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Status and Known Issues
Conclusions and Developments
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Definitions and Acronyms
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Relational databases
– Data are arranged in records (Rows)
1 experiment= 1 record
– Data of a particular type are in fields
Frequency = 1 Field
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(Columns)
CSV File (ref. Internet RFC 4180)
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Comma-Separated Values file
Fields separated by commas
Records separated by New-Line
Not standardized
Double quotas can enclose strings
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From DBSG5 to DBSG3
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Reference: Formatted Tables for submission of data
– http://www.itu.int/ITU-R/study-groups/software/tables/index.html
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DBSGV: Characteristics
– An MSDOS based database manager
– Centrally Distributed from the ITU-R WEB server
http://www.itu.int/pub/R-SOFT-SG3/en
– All fields can be queried by using any relational
expression
– Table Update Procedure
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New data are sent to TK
TK checks/ approves data
TK converts data to fixed field, “|” separated, ASCII file +
New files are sent to ITU
New version of the Database is published
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From DBSG5 to DBSG3
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Reference: Formatted Tables for submission of data
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DBSG3 rel. 1.0: Characteristics
– A WEB based database manager and publisher
–
http://www.itu.int/ITU-R/study-groups/software/tables/index.html
– http://saruman.estec.esa.nl/dbsg3/
– The access is only through a WEB interface
Internet Explorer V 6.0 or Firefox 1.5
– Only predefined fields can be queried
– Table Update Procedure
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New data are sent to TK
TK checks data and approves, converts data to CSV format +
TK uploads CSV file on WEB server
WEB server parses CSV file against table implementation
Publisher approves new table and previous one is archived
New version of the Database is published
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DBSG3 Access and Documents
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To get username/ password:
bertram@tec-ee.esa.int
antonio.martellucci@esa.int
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Relevant documentation
– DBSG3 User manual (rel. 1.1)
– Table implementation Spreadsheet
(rel. 7.0)
Database Record Data type and size
Cyan BG = Query Fields
Red Font = duplicated/removed record
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Login on the WEB server
http://saruman.estec.esa.nl/dbsg3/
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Table Publication Process and Roles
Log-in
Log-out
Search in data set
<<include>>
<<include>>
Common user
Download search results
Browse available data sets
<<extend>>
<<include>>
Download data set
Table keeper
Select data set
<<include>>
Upload new data set
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Table Publication Process and Roles
Common user
Extract data set version
from archive
Table keeper
<<include>>
Change published
data set version
Publish data set
<<extend>>
System manager
Review data sets submitted by
TK
<<extend>>
Reject data set
<<include>>
Manage users
Notify table keeper
Monitor system usage
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User WEB Interface
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User Main Menu
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User WEB Interface
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User Main Menu
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User WEB Interface
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User Main Menu
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User WEB Interface
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User Main Menu
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User WEB Interface
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User Main Menu
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User WEB Interface
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User Main Menu
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User WEB Interface
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Table Keeper Upload & Submit
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User WEB Interface
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Table Keeper Upload & Submit
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User WEB Interface
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Table Keeper Upload & Submit
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User WEB Interface
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Table Keeper Upload & Submit
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User WEB Interface
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Table Keeper Upload & Submit
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User WEB Interface
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Table Keeper Upload & Submit
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User WEB Interface
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Table Keeper: View Submission log
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Table Maintenance Procs/Tools
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Recommended CSV editor
– Csv editor:
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http://home.hccnet.nl/s.j.francke/t2t/text2table.htm
Data are
preserved
when file is
opened
DOS/Windows
conversion
Various field
operators
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Table Maintenance Procs/Tools
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Recommended CSV editor
– Csv editor:
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http://home.hccnet.nl/s.j.francke/t2t/text2table.htm
Data are
preserved
when file is
opened
DOS/Windows
conversion
Various field
operators
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Status and Known Issues
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Conversion & Upload of DBSG5 data
– Completed by May 2006
– MS-Excel can be used but tricky
– Support on request
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Issues/Bugs
– Table 7-III is not implemented
csv file is available
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Auxiliary files not implemented (e.g. path profile)
Tables in DBSG3 to be checked by TKs
Database rules are very rigid
1st record of submitted table is stripped by
DBSG3
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Conclusions & Developments
Get feedback from TKs and Users
z Solve Current Issues
z Implement new Tables
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DBSG3 is for Statistical Tables
NOT
for time series/ frequency sweeps
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Separate (related)
definition/tool for time series
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