On 05/14/10 12:42, Trinath Somanchi wrote:
Hi All,

I have Tree structured database to maintain.

Its as follows.

Vehicles

u r talking about a single entity vehicles
it is very common to represent a single entity with a single table

and IF u also have to have an entity "class of vehicles"
u r free to declare the second table named "class"

and IF u also have to represent a reference of manfacturers, another one table u have to create then.

that's trivial case

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