Hi,

We have a new item to implement. Need your guidance for implementing this.

Currently we have a architecture like this,

API is developed using asp.net/Jquery
Backend is Sybase
Repository is Marklogic 4.2

We have a submission form to submit documents, When user submits a document, it 
goes to Sybase Db, generates a UId for document and save a entry in Sybase, 
comes back appends the UID in XML and save it to Marklogic repository.

Why we are using Sybase ?
To generates UID, to maintain history ,so that we can track what all changes we 
are doing on every submit of a document.
We have a requirement to remove Sybase and have only ML.

We figured out how to generate UID in ML, if we want a sequence number, have a 
XML  and read this XML and increase the count by one and update the XML file.
Or use xdmp:random() not sure how good is this.

We want to know how to maintain version of a element in XML.

Example :
Have a element Location, first time user submit with value Americas, second 
time it change it to Asia Pacific. Currently we are overwriting this in ML and 
maintaining history in syabe.


~Gurbeer

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