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May 2014 Blog Posts (4)

"IBM DB2 for z/OS - at the hear of you business analytics and big data initiatives"

The heart of today's data warehouse, big data and analytics initiatives is based around databases.  Analysts show that transactional data and  log data are top two types of data used in big data initiatives despite the immediate association of social data and unstructured content.   DB2 for z/OS by example is robust, scalable, secure and provides some of the best transactional integrity.  With all of this Mike Ferguson analyst and consultant concludes in his white paper : "All of this makes…

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Added by Mark Simmonds on May 20, 2014 at 11:58am — No Comments

The value of data on the balance sheet.

Hold tight - this will probably freak the accounting world out.  I was listening to an analyst call about big data earlier today.   I asked the question whether data would soon have a value on the asset sheet.   There was a resounding agreement that it would -  if a suitable metric could be devised.



To me it all depends on whether an organization can put controls around the following (non-exhaustive) criteria :

Accurate data  - bad data is like a virus to the business and could…

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Added by Mark Simmonds on May 20, 2014 at 11:56am — No Comments

User Defined Functions and Stored Procedures to generate and validate hashes

I have updated my db2-hash-routines package to include bcrypt and sha-256 hashes.

The following hashes are supported:

  • bcrypt
  • sha-256
  • sha-1
  • crypt
  • md5

Documentation is available as…

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Added by Helmut K. C. Tessarek on May 11, 2014 at 6:38pm — No Comments

Improving DB2 Database Performance - Part I 7 Things to remember while range partitioning

One of the techniques to improve database performance and achieve greater scalability is using table partitioning. According to live industry observations  when you see the following symptoms you should consider table partitioning

Slow queries that return small amounts or no data

Slow queries that return large amounts of data

Blocking between readers and writers (inserts or updates)

As tables grow in size, it may be easier to manage your…

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Added by Ramya on May 1, 2014 at 6:00am — No Comments

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