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 Memory Management  |  Question 113 of 114    Print  
Oracle Shared pool
What is meant by Shared pool fragmentation.


  
Total Answers and Comments: 0 Last Update: April 16, 2008     Asked by: satishd 
  
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Latest Answer : Answer:  Shared Pool Comprises library cache and dictionary cache.Library Cache stores and shares sql statements,where as pl/sql procedure in memory.And the Default size is 8mb. ...
Latest Answer : Optimal Flexible Architecture is a set of configuration standard created to ensure reliable Ora installation that require little maintenance. It has a default file naming and Directory layout for naming convention and Directory distribution. It organizes ...
Latest Answer : store data in tablespaces to avoid disk contension.system tablespace-recursive callsuserdata-users objectsindex tablespace-for indexesrollback segmnets-undo tablespace or manual rollback segmentsplace application specific data in respective tablespaces.place ...
Latest Answer : when a user updated a particular table (for example 100 rows)...the old value will be retained in the roll back segments(Oracle 8) and now it is Undo segment (oracle 9i). If the user issue a rollback command the old value will be taken from the rollback ...
 The  System   Global  Area  in  a  Oracle database is the area in memory to facilitates  the  transfer  of information between users. It holds the 
 The data dictionary cache is stored in an area in SGA called the Shared SQL Pool.  This will allow sharing of parsed SQL statements among concurrent users. 
 It is area in memory that is used by a Single Oracle User Process. 
 Due to insufficient Shared SQL pool size. Monitor   the ratio of the reloads takes place while executing SQL statements.   If   the   ratio   
List the Optional Flexible Architecture (OFA) of Oracle database? or How  can  we  organize  the  tablespaces in Oracle database to have maximum performance ?
 SYSTEM - Data dictionary tables.DATA  - Standard operational tables.DATA2- Static tables used for standard operationsINDEXES - Indexes for Standard operational tables.INDEXES1 - Indexes of static 
It  is  possible  to  use  raw  devices  as data files and what is the advantages over file. system files ?
 Yes. The advantages over file system files. I/O  will  be  improved  because  Oracle  is  bye-passing the kernnel which writing into disk.Disk Corruption 

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