Db2 12 for z/OS Buffer Pools – Recommendations for PGSTEAL, PGFIX and FRAMESIZE

Removing Duplicates From a List in Elixir

Thanks to the Enum module, in Elixir we can trivially remove duplicates from a list. In the following example, we take a list of integers and pass it to the Enum.uniq/1 function which removes duplicates from the list without altering the original...

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Developing with Elixir/OTP Course Review

Developing with Elixir/OTP Course Review

Ruby was the first programming language I truly fell in love with. Yes, I had used several others before (and have since), but Ruby was and still is something dear to me. I can appreciate the usefulness of Python, the simplicity of Go, and the mind-expanding nature of...

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4 Tech Innovations That Could Change Smartphones

4 Tech Innovations That Could Change Smartphones

Smartphones have gotten so advanced today that it can almost be hard to tell the difference between the top options. That’s not to say you’d literally mix up an iPhone and its Samsung counterpart — but there aren’t too many defining features that really set one apart...

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Db2 12 In-Memory Feature: Fast Index Traversal

Db2 12 In-Memory Feature: Fast Index Traversal

Db2 12 is classified as an in-memory data base by Gartner.  It is not just a simple in-memory data base but a very smart one. In this paper, we explain one of the most innovative in memory optimizations in Db2 12. Why In-Memory Optimization in Index?  The...

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Should DB2 have an Immutable Table Function?

Should DB2 have an Immutable Table Function?

I love hearing about Blockchain; if you are involved in Fintech, then surely by now you have heard a lot about it, and that it holds a tremendous amount of promise for Internet business. Fundamentally, it guarantees the validity of a transaction.  Blockchain is a...

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What’s waiting round the mainframe corner?

What’s waiting round the mainframe corner?

Anyone who has been working on mainframes for any length of time knows that things are always changing. Many people can remember when DB2 was new (1983), the client-server period, and the need for Service-Oriented Architecture (SOA). And, I’m sure, can come up with a...

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Capacity Planners and Big Data

Capacity Planners and Big Data

I was at a regional CMG meeting in Raleigh, North Carolina, giving a presentation on Big Data to a group of about forty Capacity Planners (big turnout for North Carolina a week after Hurricane Matthew hit). The group was interested in understanding the impact the...

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