SQL Server Execution Plans - Red Gate Software

Chapter 2: Graphical Execution Plans for Basic Queries
We can see that the engine used a Clustered Index Scan operation to retrieve the
required data. Looking at only the graphic plan by itself doesn't tell us enough about the
execution plan or the operators in it. More information is available with the ToolTips and
Property sheets, as was mentioned in the Chapter 1. If you place the mouse pointer over
the icon labeled Clustered Index Scan to bring up the ToolTip window, more information
becomes immediately available, as you can see in Figure 2.2.
Figure 2.2
Looking at Figure 2.2, near the bottom of the ToolTip, you find the label, Object. This
indicates which object, if any, this operator references. In this case, the clustered index
used was PK_ContactType_ContactTypeID. Listed above this are various other
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