Second Attemp...

Occasionally, as I come across interesting Oracle Database related issues, I’ll post my thoughts and opinions and who knows what else and perhaps, just maybe, others may find it interesting or useful as well.

Let the fun begin …


One needs to understand how Oracle works in order to use it safely.

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Jan-2017.

This is my second blogging attempt, I originally created the Oracle Blog to talk about Oracle, my learning and findings in Oracle world.

But as we move on, I started working on Big Data Analytics, DevOps and Cloud Computing. So here is second attempt of blogging on Cloud Computing (AWS, Google Cloud), Big Data technologies , concepts and DevOps tools.

Tuesday, June 2, 2009

Order Cluase for Sequence

ORDER Specify ORDER to guarantee that sequence numbers are generated in order of request. This clause is useful if you are using the sequence numbers as timestamps. Guaranteeing order is usually not important for sequences used to generate primary keys.
ORDER is necessary only to guarantee ordered generation if you are using Oracle Real Application Clusters. If you are using exclusive mode, then sequence numbers are always generated in order.
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