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The thumbnail sub-view provides you with a graphical replication of your monitored SQL servers. Access additional details in the single instance dashboard by clicking on a thumbnail’s instance name or easily spot categories that have active alerts as marked by a critical icon. Navigate to an instance’s specific category view in case it has active alerts by clicking on the marked category icon.
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If the category icon contains active alerts, you can choose the Show Alert link to access the Alerts Detail screen. If there are no active alerts, you can click a category icon and you are directed to a specific category view in the single instance dashboard.
The table below shows the relationship between the category icons and their corresponding views:
| Icon | Category |
|---|---|
 | Sessions tab of the single instance dashboard |
 | Queries tab of the single instance dashboard |
 | Resources tab of the single instance dashboard |
 | Databases tab of the single instance dashboard |
 | Alerts Detail screen |
 | Overview tab of the single instance dashboard |
| Info |
|---|
Instances in thumbnail sub-view display according to severity. This means that critical instances show up on the top of the dashboard. |
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The following colors in the heatmap sub-view are associated with a status and action within SQLdm:
| Color | Meaning |
|---|---|
| Green | Acceptable threshold where SQLdm does not generate an alert. |
| Yellow | Warning threshold where SQLdm generates a warning alert. |
| Red | Critical threshold where SQLdm generates a critical alert. |
| Orange | Monitored SQL Server in maintenance mode where SQLdm does not generate an alert. |
To access basic statistics about your monitored SQL Servers, first expand the heatmap of your choice by clicking the instance name. The information displayed includes:
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If the category icon contains active alerts, you can choose the Show Alert link to access the Alerts Detail screen. If there are no active alerts, you can click a category icon and you are directed to a specific category view in the single instance dashboard.
The table below shows the relationship between the category icons and their corresponding views in the heatmap sub-view:
| Icon | Category |
|---|---|
| Sessions tab of the single instance dashboard |
| Queries tab of the single instance dashboard |
| Resources tab of the single instance dashboard |
| Databases tab of the single instance dashboard |
| Alerts Detail screen |
| Overview tab of the single instance dashboard |
| Info |
|---|
Instances in heatmap sub-view display according to severity. |