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HammerDB v4.7 New Features Pt 3: Lightweight Docker Images for rapid testing

HammerDB

introduced a Dockerfile and Docker Images to pull from Docker Hub for rapid deployment of HammerDB with builds already including third-party database libraries. Copyright (C) 2003-2023 Steve Shaw Type "help" for a list of commands Initialized SQLite on-disk database /home/hammerdb/HammerDB-4.7/TMP/hammer.DB HammerDB v4.5

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How to add your database to HammerDB – Pt3 Adding to and modifying the source

HammerDB

The next step is to see if there is an Issue already created for the database we want to add or whether we should create one. In this example using MariaDB there is already an Issue created Add MariaDB as a separate database #54 although note that this can be for any database you choose. <? . <mariadb>

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Why Waits Alone Are Not Enough

SQL Performance

Tom Davidson, Opening Microsoft's Performance-Tuning Toolbox SQL Server Pro Magazine, December 2003. When used in combination with resource metrics, waits can be valuable for assessing certain performance characteristics of the workload and aid in steering tuning efforts. The Top Queries That Weren't.

Tuning 115
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HammerDB Concepts and Architecture

HammerDB

However if you have downloaded the source code and are looking to add features or make modifications such as adding new databases you may be wondering once you have the source code where to start. However HammerDB will not be able to connect to a database yet and the librarycheck command included with the CLI gives an indication why.

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Data Mining Problems in Retail

Highly Scalable

The basic idea of the framework is to use an economic metric such as gross margin as the optimization objective and consider it a function of possible retailer’s actions such as marketing campaigns or assortment adjustments. Moreover, gross margin is not the only performance metric that is important for retailers. The model (2.1)

Retail 152