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Graph Database and PLM

By Mr PLM (not verified) on Mon, 04/02/2012 - 20:53

Often I wonder why still RDBMS is used for PLM . The structue of BOM, assemeblies, sub- assemblies are more relevant

to Graph Database. It would be easier to store data in Graph Database.

For more info you can look into link-

http://en.wikipedia.org/wiki/Graph_database

 

Lookups and search would be easier , as an assembly may be directly pointing to other assembly graphically.

XML or JSON for PLM

By Mr PLM (not verified) on Mon, 04/02/2012 - 20:43

Most commonly used data format for exchange between various PLM applications is PLMXML. PLMXML is a XML file to

be thought of compatible wth most of the PLM solutions. It is infact , it fails only a few times.

I want to suggest JSON format instead of XML. XML is not a data oriented structure it is basically a tag oriented,

JSON is a data oriented stuff!

JSON also posses all the properties of XML.

Come to processing speed....XML parsers are highly complex and they consume a little bit more time than parsing a JSON.

Unix 'find' commands

Body: 

Some useful 'find' statements-

To list all the files in current directory having size greater than 50k

find . -size +50k -ls
 

To list files which are older than   say 15 days. (.log files for example)

find -name “*.log” -mtime  +15 -exec ls -lrt {} \;

now to remove these files

XRF or XML Reports Framework

Body: 
XRF or XML Reports Framework provides configured reports in XML output and styled by Extensible Style Sheet Transformations (XSLT) style sheets.
 
It is a report writing functionality in Teamcenter Enterprise (by Siemens PLM Software).
The XRF has the capability to provide new methods to import, export, design, define, administer, generate, and deploy reports.
 

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