Clik here to view.
SP2-0618: Cannot find the Session Identifier. Check PLUSTRACE role is enabled
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...
View ArticleClik here to view.
Get the trace file name and read it
SQL> COL trace_file FOR A75 SQL> col VALUE format a50 SQL> col name format a20 SQL> select name,value 2 from v$parameter 3 where name='user_dump_dest'; NAME VALUE...
View ArticleClik here to view.
Handy Package DBMS_UTILITY
Really Its great handy package for Oracle People! We can use this in so many different scenarios. SQL> DECLARE 2 parnam VARCHAR2(256); 3 intval BINARY_INTEGER; 4 strval VARCHAR2(256); 5 partyp...
View ArticleClik here to view.
Read the file
A Master piece from http://laurentschneider.com An excellent piece of code handy for DBA`s SQL> SELECT s.sid, 2 s.serial#, 3 pa.value || '\' || LOWER(SYS_CONTEXT('userenv','instance_name')) || 4...
View ArticleClik here to view.
Put the Database in ARCHIVE mode and enable flashback mode
SQL> select banner from v$version; BANNER ---------------------------------------------------------------- Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod PL/SQL Release 10.2.0.1.0...
View ArticleClik here to view.
Oracle Fixed(/Dynamic) views
“Oracle maintains a set of virtual tables that record current database activity. These tables are called dynamic performance tables.” Why the term “Fixed”? Because They are fixed ..One cannot perform...
View ArticleClik here to view.
All about the DUAL
The Magic table DUAL is owned by User SYS as its an dictionary object. ind> select object_name,owner,object_type 2 from dba_objects 3 where object_name like ‘%DUAL%'; OBJECT_NAME OWNER OBJECT_TYPE...
View ArticleClik here to view.
How to read Oracle Explain Plan
The EXPLAIN PLAN statement displays execution plans chosen by the Oracle optimizer.A statement’s execution plan is the sequence of operations Oracle performs to run the statement.execution plans are...
View ArticleClik here to view.
ORA-00059: maximum number of DB_FILES exceeded
This is all about the Relation B/W MAXDATAFILES and DB_FILES In Oralce Database. –This will Give Us db_files value. max no of data files that we can add. select value from v$parameter where name =...
View ArticleClik here to view.
Password Hash In Oracle 11g
Let `s discuss about The Changes Of DBA_USERS Especially In PASSWORD Column In Oracle 11g and 10g. DBA_USERS Gives Us Information about all users of the database. And it contains password hash value...
View ArticleClik here to view.
“racgmain” Processes
Some good Experience for Me today.Early in the Morning …… One of Our RAC node filled up with 100% CPU usage.As part of Investigation We found that this was because of racgmain Process. It was...
View ArticleClik here to view.
ORA-06544: PL/SQL: internal error, arguments: [ph2_cly out of bounds in...
Recently we upgraded Our Development Database from Oracle V10.2.0.1 to V10.2.0.5. Today While I was Compiling an Invalid procedure, ORA-06544: PL/SQL: internal error, arguments: [ph2_cly out of...
View ArticleClik here to view.
SCN – What, why, and how?
Here is a good article about SCN see the link below SCN – What, why, and how?
View ArticleClik here to view.
ORA-27102: out of memory” While Creating a Database
Today ,While Installing Oracle V 10g Using DBCA On a 32 bit Linux machine with 16 GB of RAM,(allocated 5GB as SGA ) We were encountered with this Error and unable to go further. [oracle@db ~]$ oerr ORA...
View ArticleClik here to view.
ORA-00600: Internal error code, arguments: [kcratr_nab_less_than_odr]
Today, I had an Issue with My Oracle DB V 11.2.0.1 and It was Corrupted due to unexpected power failures More than 10 times ;) !. As Its a Test DB, I don`t have regular backups. It was an Internal...
View Article
