Re: [Dhis2-devs] Attribute and AttributeValue

2012-04-10 Thread Bob Jolliffe
On 10 April 2012 05:40, Hieu Dang Duy wrote: > Hi, > > I'm touching in Attribute + AttributeValue and getting be confused when > checked the database structure for "attributevalue" table that why a certain > attribute can have many attribute-values as the same value. What is the main > purpose for

[Dhis2-devs] Attribute and AttributeValue

2012-04-09 Thread Hieu Dang Duy
Hi, I'm touching in Attribute + AttributeValue and getting be confused when checked the database structure for "attributevalue" table that why a certain attribute can have many attribute-values as the same value. What is the main purpose for using this technique ? Why don't we reuse the existence