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Spotlight on Oracle 10.8 - Getting Started Guide

Welcome to Spotlight Install Spotlight Start Spotlight Spotlight on Oracle Spotlight on Oracle Data Guard Spotlight on Oracle RAC Spotlight on Unix Spotlight on Windows Spotlight on MySQL Troubleshooting: Connection Problems

SQL Details (Full Screen) Page

To open the SQL Details (full screen) page

  1. Select the Spotlight on Oracle RAC connection in the Spotlight Browser.

  2. Click I/O | SQL Page.

  3. Select a SQL Statement in the Top SQL grid.
  4. From any of the sub pages click Full Screen.
  5. Click SQL Details

Note: Click Restore screen to return to the Top SQL grid.

SQL Details

Data Description

SQL ID

The SQL identifier for the specified SQL statement in the library cache.

Address

The address of the cursor that contains the SQL statement.

First Load Time

The first time the SQL statement was loaded.

Last Active Time

The last time the query plan for the SQL statement was active.

Optimizer Mode

The mode under which the SQL statement was executed.

Command Type

The Oracle command type (2, for example, represents an INSERT command).

Service

The name used to connect to the Oracle instance.

Module

The name of the module (if any) being executed when the SQL statement was first parsed.

Child Number

The number of the cursor (if any) that is a child of the cursor that contains the SQL statement.

Hash Value

The hash value for the SQL statement in the library cache.

Last Load Time

The last time the SQL statement was loaded.

Parsing Schema Name

The schema name that was used to build the child cursor.

Object Status

The status of the cursor.

Outline Category

The category (if any) of the outline applied during construction of the cursor.

Action

The name of the action being executed when the SQL statement was first parsed.

SQL Text

The full text of the SQL statement being executed.

Action

Description

Click Explain SQL

Explain the SQL via the Explain Plan. Tools | Explain Plan

Click SQL Optimizer

Display context-sensitive tuning advice for SQL statements via SQL Optimizer (or SQL Tuning). Tools | SQL Optimizer

Note: For more information on SQL Optimizer, see the SQL Optimizer documentation.

Click Predictive Diagnostics

Will the selected SQL statement scale adequately as data volumes and SQL execution rates increase? View Spotlight's Predictive Diagnostics analysis. SQL Performance

Right-click the SQL Text window and select Format SQL. Display the SQL statement in a more readable form.

Note: If the SQL cannot be explained, the Explain Plan and SQL Optimizer (SQL Tuning) options may be unavailable.

SQL Time Breakdown (Grid)

SQL Time Breakdown displays statistical information about the selected SQL statement, including execution statistics and a breakdown of the time spent processing the statement. SQL statistics may be used to identify where the SQL statement can be tuned to use system resources more efficiently.

Column Description

Category

Each row in the table investigates a specified statistical category.

Value

The value of the statistic the last time the Top SQL page was refreshed.

Per Exec

In execution statistics, the value of the statistic per execution of the SQL statement.

Per Row

In execution statistics, the value of the statistic per row retrieved.

Major Category  

Time Breakdown (ms) - Chart

Time Breakdown (ms) displays the elapsed time spent in each stage of processing, and may show where the SQL statement can be tuned for greater efficiency. The stages displayed include:

  • Application
  • Cluster
  • Concurrency
  • CPU
  • I/O
  • Java
  • PL/SQL
  • Other

If the amount of time spent in Java or PL/SQL processing is significant, examine the application that is responsible for originating the Java or PL/SQL processing.

 

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