On 24 June 2016 at 15:51, Anaswara Nair <anaswara.nn@gmail.com> wrote:

I have gone through LMDB. However AFAIK LMDB stores the data as a key-value pair.

Yes, it's a key-value store.

Though duplicate keys are allowed, I couldn't find any relation between these entries. I couldn't understand its use as a database as well.

It's like std::(multi)map, maybe the wikipedia entry helps.

Can you provide some help so that I can go deeper into this.

In your original question, you refer to having one unique ID and some related data per record. Maybe you could expand a bit on what you would like to achieve.

degski