Troy Coleman

Troy L Coleman

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Recent Posts

  • Converting from 6- to 10-byte RBA/LRSN
  • IBM Z Trial Program
  • The Evolution of Compression: Db2 12
  • The Evolution of Compression: Db2 11
  • The Evolution of Compression: Db2 10
  • DB2 for z/OS Native RESTful Services in DB2 11 & 12

    I’ve previously written about RESTful services, noting how these services will enable data and applications running on DB2 for z/OS to become a strategic component of your enterprise API strategy.

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    Posted: January 10, 2017 |

    Comparing DB2 12 Function Levels M100 and M500

    I was recently reading the DB2 12 for z/OS What’s New guide. It's interesting comparing the features available in the initial Function Level M100 with what you can get when you activate Function Level M500.

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    Posted: January 03, 2017 |

    Deprecated Functions: A Primer

    When IBM decides to remove a function from DB2 for z/OS (or any DB2 offering), it's generally publicized in in the DB2 for z/OS announcement letter. See the DB2 12 for z/OS announcement letter, for instance.

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    Posted: December 20, 2016 |

    Monitoring Index Cleanup Threads

    I was recently asked about activating a trace that sends information about DB2 11 index cleanup threads to the IBM System Management Facility (SMF).

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    Posted: December 13, 2016 |

    How Customers are Benefiting from DB2 Accelerator Tables

    Following up on my recent posts on the latest version of IBM DB2 Analytics Accelerator for z/OS (DB2 Accelerator) as well as the new Accelerator cloud-centric solution, I wanted to step back a bit and discuss an IBM Redbook.

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    Posted: December 06, 2016 |

    Continuous Delivery and DB2 12 Function Levels

    I recently attended a regional DB2 user group meeting, and the subject of continuous delivery came up frequently. People were wondering about the process of adding new features being added through the maintenance stream and how to fallback if it's determined that the new features are causing a problem.

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    Posted: November 29, 2016 |

    DB2 12 for z/OS Manuals Available

    Long-time readers of DB2utor know that I prefer using the DB2 manuals in PDF form as opposed to the electronic versions available from the IBM Knowledge Center. After hearing rumors that IBM would no longer make documents available in PDF, I was very pleased to find the DB2 12 for z/OS manuals available in PDF form.

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    Posted: November 22, 2016 |

    Cloud's Future on the Mainframe

    In last week's IBM DB2 Analytics Accelerator for z/OS V6.1 announcement summary, I mentioned that I'd get to the other piece of news, which is the introduction of IBM DB2 Analytics Accelerator on Cloud V1.1.

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    Posted: November 15, 2016 |

    A Look at Analytics Accelerator for z/OS V6.1

    On Oct. 18, IBM announced the latest version of DB2 Analytics Accelerator for z/OS as well as a new product, IBM DB2 Analytics Accelerator on Cloud.

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    Posted: November 08, 2016 |

    DB2 12 Takes Inserts to the Millions Per Second

    When a high number of inserts arrive in a non-clustered way at the end of a table space or table space partition, it's known as a "journaling pattern." While I personally haven't worked on this type of application, Dan Luksetich of  DanL Database Consulting has, and he wrote this white paper about it.

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    Posted: November 01, 2016 |

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