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Oracle Videos4
Posted by Sriram Sanka on October 9, 2010
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Simple Storage Management Video
Posted by Sriram Sanka on October 9, 2010
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Oracle 11g On cent OS
Posted by Sriram Sanka on October 9, 2010
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Create Oracle Database using ASM manually via scripts
Posted by Sriram Sanka on May 12, 2010
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Reverse function in oracle
Posted by Sriram Sanka on December 9, 2009
SQL> select reverse('sriram oracle DBA') from dual;
REVERSE('SRIRAMOR
-----------------
ABD elcaro marirs
As this reverse funcction is undocumented we can achive the same using a procedure........
SQL> create or replace procedure rev(x in varchar2) as
2 c char(1);
3 i number;
4 begin
5 for i in 1..length(x) loop
6 select substr(x,length(x)-i+1,1) into c from dual;
7 dbms_output.put(c);
8 end loop;
9 dbms_output.put_line(' ');
10 end;
11 /
Procedure created.
SQL> exec rev('sriram oracle DBA');
ABD elcaro marirs
PL/SQL procedure successfully completed.
SQL>
sriram.
Source : http://www.oracle.com/code tips
Posted in Functions In oracle | Leave a Comment »
SP2-0618: Cannot find the Session Identifier. Check PLUSTRACE role is enabled
Posted by Sriram Sanka on December 4, 2009
SQL> conn raghu/raghu
Connected.
SQL> set autotrace on
SP2-0618: Cannot find the Session Identifier. Check PLUSTRACE role is enabled
SP2-0611: Error enabling STATISTICS report
SQL> conn / as sysdba
Connected.
SQL> grant plustrace to raghu;
grant plustrace to raghu
*
ERROR at line 1:
ORA-01919: role 'PLUSTRACE' does not exist.
SQL> @ %oracle_home%\sqlplus\admin\plustrce.sql;
SQL>
SQL> drop role plustrace;
drop role plustrace
*
ERROR at line 1:
ORA-01919: role 'PLUSTRACE' does not exist
SQL> create role plustrace;
Role created.
SQL>
SQL> grant select on v_$sesstat to plustrace;
Grant succeeded.
SQL> grant select on v_$statname to plustrace;
Grant succeeded.
SQL> grant select on v_$session to plustrace;
Grant succeeded.
SQL> grant plustrace to dba with admin option;
Grant succeeded.
SQL> GRANT PLUSTRACE TO raghu;
Grant succeeded.
SQL> conn raghu/raghu
Connected.
SQL> set autotrace on
SQL> select sysdate from dual;
SYSDATE
---------
04-DEC-09
Execution Plan
----------------------------------------------------------
Plan hash value: 1388734953
-----------------------------------------------------------------
| Id | Operation | Name | Rows | Cost (%CPU)| Time |
-----------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 2 (0)| 00:00:01 |
| 1 | FAST DUAL | | 1 | 2 (0)| 00:00:01 |
-----------------------------------------------------------------
Statistics
----------------------------------------------------------
0 recursive calls
0 db block gets
0 consistent gets
0 physical reads
0 redo size
0 bytes sent via SQL*Net to client
0 bytes received via SQL*Net from client
0 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
1 rows processed
SQL>
Posted in Oracle Server Administration | 1 Comment »
Not Just Databases 