Draw UML Diagrams Online

-
Try this: http://yuml.me/

Comments

Post a Comment

Popular posts from this blog

When is a Sequence Number Not Sequential?

-
A sequence number or an identity column guarantees the following: Number served is unique. Number served is sequential (ascending order) - Identity columns guarantees this; sequence number in Oracle RAC mode doesn't, unless ORDER is used. However: It does not guarantee the sequence is gap-free Sequence number/ identity columns do not partake in transactions Number loss/ gaps happen due to the following: Served number does not get utilised (typically due to transaction rollback) Server restart/ failures - database servers tend to cache sequences in memory for performance reasons. E.g. Oracle Sequence number set-up to be CACHEd in memory. According to Oracle 11gR2 Database Documentation : for the Sequence database concept, use of Oracle Sequence does not guarantee gap-free set of numbers.   If your application requires a gap-free set of numbers, then you cannot use Oracle sequences . You must serialize activities in the database using your own developed cod...
Read more

Understanding ITIL Service Management the UML way…

-
Image
I originally had a great deal of difficult reconciling the differences amongst ITIL Change Management, Incident Management, and Problem Management. Having researched on the subjects and understanding them better now, I’ve tried to put the concepts together using a UML class diagram to capture my understanding and to keep it imprinted. Similarly, I wanted to differentiate the various categories of changes (Standard, Emergency, Normal) using an easy to understand & self-explanatory manner – a UML Activity Diagram!
Read more