December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
Content preview from Microsoft® SQL Server 2012 Unleashed
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Query Analysis and Optimization
In SSAS, you can look at query utilization and performance in a cube. You can look at queries by user, frequency, and execution time to determine how to better optimize aggregations. If a slow-running query is used frequently by many users, or by the CEO, it might be a good candidate for individual tuning. A usage-based analysis capability can be used to change aggregations based on actual live queries that the cube must service. This adjusts aggregations based on a query to reduce response time. You start this wizard by right-clicking the cube’s partition. Figure 53.54 shows the Usage-Based Optimization Wizard splash page.
FIGURE 53.54 The Usage-Based Optimization Wizard.
The Usage-Based Optimization Wizard ...