API Streaming Response with Oracle and Java

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Data Stream is a fascinating thing to work with. We see this in many places nowadays. What we do not see often is Java application getting streamed data out of Oracle. Getting data out of Oracle in streamed fashion is extremely useful when the expected data set is large. I will share the details around the use-case, problem, solution, implementation, and advantages for the same.
Use Case
A few months ago, I ran into a situation where it was needed to fetch close to million records from the Oracle DB. Now Oracle may not be the best database to handle such a request, but if you depend on Oracle database, you need to make it work.

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