event-based call and exception tracing. : Session variable « SQL Plus « Oracle PL / SQL

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Oracle PL / SQL » SQL Plus » Session variable 
event-based call and exception tracing.
    
SQL>
SQL> set serveroutput on
SQL>
SQL> VARIABLE v_String1 VARCHAR2(20);
SQL> VARIABLE v_String2 VARCHAR2(20);
SQL>
SQL> BEGIN
  2    :v_String1 := 'Hello';
  3    :v_String2 := ' World!';
  4  END;
  5  /

PL/SQL procedure successfully completed.

SQL>
SQL> ALTER SESSION SET EVENTS '10938 trace name context level 33';

Session altered.

SQL>
SQL> BEGIN
  2    DBMS_OUTPUT.PUT_LINE(:v_String1 || :v_String2);
  3  END;
  4  /
Hello World!

PL/SQL procedure successfully completed.

SQL>
SQL>

   
    
    
  
Related examples in the same category
1. alter the session with the ALTER SESSION statement and set the session's time zone forward
2. alter session set nls_date_format = 'dd-MON-yyyy hh24:mi:ss';
3. alter session set OPTIMIZER_MODE = RULE
4. Adjust your session time zone to -08:00, display the contents of your time table.
5. alter session set cursor_sharing = force
6. alter session set use_stored_outlines
7. Event-based call and exception tracing
8. SQL trace
9. uses dynamic SQL to issue an ALTER SESSION statement.
10. ALTER SESSION SET QUERY_REWRITE_ENABLED
11. alter session set sql_trace=true
12. sql_trace a stored procedure
13. Set the following session parameters to enable query rewrite:
14. If your session time zone is not US/Central (-06:00), alter your session to Central time:
15. alter session set nls_date_format = 'DD-MON-YYYY HH24:MI:SS'
16. Alter time_zone
17. sessiontimezone, current_timestamp
18. demonstrates the use of DBMS_SQL to execute an ALTER SESSION statement.
19. interaction between ALTER SESSION and autonomous transactions.
20. ALTER SESSION SET SQL_TRACE = TRUE
21. ALTER SESSION SET optimizer_dynamic_sampling
22. alter session set NLS_DATE_FORMAT='DD-MM-YYYY'
23. alter session set current_schema=Smart
24. alter session set db_file_multiblock_read_count
25. alter session set hash_area_size
26. alter session set nls_date_format='dd-mm-yyyy', nls_language=Dutch, nls_currency='Eur'
27. alter session set optimizer_index_cost_adj, alter session set optimizer_index_caching
28. alter session set optimizer_max_permutations=80000
29. alter session set optimizer_mode=all_rows
30. alter session set optimizer_mode=first_rows
31. alter session set query_rewrite_integrity=enforced
32. alter session set sort_area_size = 102400000
33. alter session set workarea_size_policy=manual
34. alter system flush shared_pool
35. alter system quiesce restricted
36. alter system resume
37. alter system suspend
38. set optimizer_features_enable = '8.1.5' scope = spfile
39. show filestat
40. show parameter optimizer_features
41. show verify
42. If your session time zone is not US/Central Standard Time (-06:00), alter your session to Central Standard time:
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