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Sybase Databse Migration from 11.5 to 15

I have to migrate the Sybase Database from 11.5 version to 15. I would like to know few things mentioned below - i) What are the neccessary steps i need to follow in this migration. ii) What are the ...
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How to avoid deadlock while updating 2 rows in MySQL

This is a interview problem: There is a perl program that updates the database, and it could run in different processes. One process may execute a transaction like: update row A -> update ...