Db2 Blog Posts

Finding the Size of Individual Indexes

Recently I had a client ask me if there was a way to calculate the size of individual indexes on a table and how to interpret what is reported by the table function sysproc.admin_get_index_info. The client asked whether the value is reported as a sum per table or per...

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How and When to Run the db2chgpath Utility

Recently while applying a fixpack, I encountered this error: ERROR: An error occurred while setting DB2 runtime path. Contact a technical service representative. Setting DB2 library path :.......Failure DB2 Fix Pack Update log file finished at: Sat Aug 1 18:23:29 2020...

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Migrating a Db2 DPF Instance from rsh to ssh

Db2's Database Partitioning Feature (DPF) allows a single Db2 instance to span multiple physical servers — allowing a single Db2 database to scale out to sizes well beyond what is possible on a single physical server. To manage a DPF environment, Db2 needs to be able...

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Validating VIP Usage

Recently, I was working on a database using HADR with failover handled by TSAMP. The database was configured to use a virtual IP (VIP) address. However, when I tested the failover with the application team, some of the applications were getting SQL1776N errors from...

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Writing SQL with SQL

The Db2 RDBMS offers many great tools for getting things done. There are, however, times when tools are unavailable. This isn’t a problem when you’re performing a simple and discrete task. When the task has many iterations then like dropping triggers or granting...

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Setting Up HADR with Two Auxiliary Standbys

In my previous blog, I presented some of the issues you can run into when setting up one auxiliary HADR standby and a potential solution. This blog discusses setting up two auxiliary standby databases in detail. Let's start with all the information we need to set the...

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