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SQL Tuning Advisor is an Oracle tool that helps you analyze SQL queries and make the necessary changes to optimize their performance. It is an automated tool for analyzing SQL statements and generating recommendations for improving their performance. It can be used to analyze a single SQL statement or a group of related statements.
With Oracle 19c, you can manually run the SQL Tuning Advisor to get recommendations. Here is a step-by-step guide on how to do it:
- Open the Enterprise Manager Database Express. This tool is used to manage your Oracle database.
- In the left pane, select the Performance tab and then select the SQL Tuning Advisor option.
- In the right pane, select the SQL Tuning Advisor page.
- On the SQL Tuning Advisor page, select the type of analysis you want to perform: either a single SQL statement or multiple SQL statements.
- If you select a single SQL statement, paste it into the text box provided. If you select multiple SQL statements, select them from the SQL history.
- Select the tuning mode you want to use: automatic or manual.
- If you select manual tuning, select the options you want to use. You can choose to tune the SQL statement based on a set of criteria such as cost, execution plans, and cardinality.
- Click the Run button to start the analysis. The SQL Tuning Advisor will analyze the SQL statement and generate a set of recommendations.
- Review the recommendations and decide which ones you want to implement. You can choose to accept the recommendations or modify them.
- Click the Apply button to apply the recommendations.
- Click the OK button to save the changes.
Manually running the SQL Tuning Advisor in Oracle 19c is a great way to get detailed recommendations for optimizing your SQL queries. It can help you identify the areas where your queries are inefficient and make the necessary changes to improve their performance.
Automatic SQL Tuning Adviser || Oracle Database Performance Tuning
Optimizer — Will generate and pick execution plan Suppose Stale Table or Wrong statistics of a table 1. Statistical Analysis 2. Accessing Path (Using Index or not) High level Steps: Create Tuning Task: Execute Tuning Task: Status of Tuning Task: Display the Recommendation: Drop the Tuning Task: Reference: mallik034.blogspot.com/2021/11/automatic-sql-tuning-adviser.html #19c #SQL #Performce #Tuning #Instance #Database #Administration…
Oracle Database (commonly referred to as Oracle DBMS, Oracle Autonomous Database, or simply as Oracle) is a multi-model  database management system produced and.