Welcome to Spotlight
Install Spotlight
Start Spotlight
Spotlight on Oracle now includes web based analytics
Get Spotlight on your favorite mobile device
User Experience Feedback
Authorize Spotlight
Spotlight on Oracle
Connect to an Oracle Database
Oracle User Wizard
Spotlight on Oracle Data Guard
DBA Connection Credentials
User Account
New Oracle User
Select Tablespace
Predictive Diagnostics
Ready To Configure Oracle User
End
Configuring Oracle User for Spotlight Dialog
Toad DBA Suite for Oracle
Oracle Architecture Overview
Spotlight on Oracle Home Page
Spotlight on Oracle Alarms
Spotlight on Oracle Drilldowns
Install And Configure DTrace Scripts
Tune Your Oracle Database
Predictive Diagnostics
Spotlight on Oracle Tools: Explain Plan, SQL Optimizer, Space Manager
Spotlight on your favorite mobile device
Standby Connections Dialog
Spotlight on Oracle Data Guard Home Page
Spotlight on Oracle Data Guard Alarms
Spotlight on Oracle RAC
Connect to Spotlight on Oracle RAC
Spotlight on Unix
Oracle RAC Connection Details
Verify Cluster Connection Details Dialog
Connect to an Exadata Storage Server (Cells)
Spotlight on Oracle RAC Home Page
Spotlight on Oracle RAC Alarms
Spotlight on Oracle RAC Drilldowns
Configure the Unix System
Connect to Unix Systems
Spotlight on Unix Home Page
Spotlight on Unix Alarms
Spotlight on Unix Drilldowns
Spotlight on Windows
Connect to Windows Systems
Spotlight on Windows Home Page
Spotlight on Windows Alarms
Spotlight on Windows Drilldowns
Spotlight on MySQL
Connect to a MySQL Database
Spotlight on MySQL Home Page
Spotlight on MySQL Alarms
Spotlight on MySQL Drilldowns
Troubleshooting: Connection Problems
Explain Plan Page
The table on the Explain Plan page of the Top Sessions drilldown displays the current results for the SELECT statement running during the selected session.
To open the Explain Plan page
- Select the Spotlight on MySQL connection in the Spotlight Browser.
-
Click Top Sessions Page.
- Select a row in the Top Sessions grid.
- Click Explain Plan.
Grid
| Column | Description |
|---|---|
|
ID |
The ID that identifies the specified SELECT statement. |
|
Select Type |
The type of SELECT statement executed. |
|
Table |
The table to which the SELECT statement applies. |
|
Type |
The join type for the SELECT statement. |
|
Possible Keys |
The keys (indexes) that MySQL can use for the SELECT statement. |
|
Key |
The key that MySQL did use for the SELECT statement. |
|
Key Length |
The length of the key that MySQL used. |
|
Ref |
The columns or constants used with the chosen key. |
|
Rows |
The number of table rows that MySQL may examine to execute the query. |