SQL skills

One of the first thing I always say to the new hires that are going to learn Maximo is how much important is to have a good knowledge of SQL language. It is really important to build application queries, Birt reports, database relationships, complex table domains, conditional expressions and many other Maximo configurations. The important […]

The importance of ‘sameas’ in Database Configuration

An often misused feature of Maximo Database Configuration is the ‘Same as Object’ and ‘Same as Attribute’ fields when defining custom database attributes. To understand how this works lets consider the ASSET.LOCATION attribute. As you can see from the screenshot below, the LOCATION column of the ASSET table is defined ‘same as’ LOCATIONS.LOCATION’ field. The […]

Ensure Asset’s serial number uniqueness

Sometimes you need to ensure the uniqueness of a certain database column in the Maximo database. A common example of this scenario is to ensure that asset’s serial numbers are not duplicated. This can prevent the creation of duplicate assets. In this post I describe two techniques to achieve this using a unique database index […]

Is your Maximo database in good health?

We all know Maximo is a complex product. It has plenty of features and is very flexible but sometimes complex to manage especially when system performances are poor.A lot of things may affect the perceived performances of Maximo and it may be hard to have an overview of the entire system configuration. What are the […]

Find all custom triggers on Maximo tables

Before Maximo 6 it was a common practice to implement customizations using database triggers. Although Conditional Expressions, SigOptions, Java coding and scripting are now available in Maximo 7, I still see many Maximo environments with a lot of database triggers.In a recent project I have found a Maximo system with more than 30 triggers and […]

How to create Maximo demo database (MAXDEMO)

The Maximo contains an extremely useful command to create a demo database filled with a sample data. This can be really helpful when learning haw Maximo works. Tho create the demo database perform these steps. Stop the application server (MXServer) Open a command prompt Move to:[SMP_DIR]\maximo\tools\maximo Issue the following command:maxinst -s[INDEXTABLESPACE] -t[DATATABLESPACE] By default both […]

Find large Maximo tables on DB2

I this article I have explained how to list the larger database tables and indexes on Oracle.On DB2 you can use the following one. SELECT name, card, npages, fpages, stats_timeFROM sysibm.systablesWHERE creator = ‘MAXIMO’ AND type=’T’ORDER BY card DESC; The returned columns are: NAME: Name of the table CARD: Number of rows NPAGES: Total number of pages […]

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