Call dbms_profiler.start_profiler to start profiler : DBMS_PROFILER « System Packages « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial
1. Introduction
2. Query Select
3. Set
4. Insert Update Delete
5. Sequences
6. Table
7. Table Joins
8. View
9. Index
10. SQL Data Types
11. Character String Functions
12. Aggregate Functions
13. Date Timestamp Functions
14. Numerical Math Functions
15. Conversion Functions
16. Analytical Functions
17. Miscellaneous Functions
18. Regular Expressions Functions
19. Statistical Functions
20. Linear Regression Functions
21. PL SQL Data Types
22. PL SQL Statements
23. PL SQL Operators
24. PL SQL Programming
25. Cursor
26. Collections
27. Function Procedure Packages
28. Trigger
29. SQL PLUS Session Environment
30. System Tables Data Dictionary
31. System Packages
32. Object Oriented
33. XML
34. Large Objects
35. Transaction
36. User Privilege
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Oracle PL/SQL Tutorial » System Packages » DBMS_PROFILER 
31. 20. 7. Call dbms_profiler.start_profiler to start profiler
SQL>
SQL>
SQL> exec dbms_profiler.start_profiler'factorial iterative' )
BEGIN dbms_profiler.start_profiler'factorial iterative' )END;

SQL>
SQL>
SQL> create or replace
  2  function fact_iterativeint return number
  3  as
  4          l_result number default 1;
  5  begin
  6          for i in .. n
  7          loop
  8                  l_result := l_result * i;
  9          end loop;
 10          return l_result;
 11  end;
 12  /

Function created.

SQL>
SQL> begin
  2      for i in .. 50 loop
  3          dbms_output.put_linefact_iterative(50) );
  4      end loop;
  5  end;
  6  /
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000
30414093201713378043612608166064768844300000000000000000000000000

PL/SQL procedure successfully completed.

SQL>
SQL>
SQL> exec dbms_profiler.stop_profiler

PL/SQL procedure successfully completed.

SQL>
31. 20. DBMS_PROFILER
31. 20. 1. DBMS_PROFILER.get_version
31. 20. 2. Capture DBMS_PROFILER information for the specified script
31. 20. 3. Demonstrate DBMS_PROFILER
31. 20. 4. dbms_profiler.start_profiler
31. 20. 5. Use DBMS_PROFILER to compare the performance differences between row-at-a-time processing and bulk processing
31. 20. 6. Profiler for recursive function
31. 20. 7. Call dbms_profiler.start_profiler to start profiler
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