DBA Tips Archive for Oracle
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by Michael New, MichaelNew@earthlink.net, Gradation LLC
Oracle9i introduced the ability to dynamically set certain instance parameters
thorugh the use of an SPFILE. Although, not every parameter can be set dynamically,
audit_trail. These are known as static parameters.
Here is an example of what happens and the errors received when you try to
change a static parameter within Oracle:
The problem - You need to change a static parameter value in the SPFILE to be used at instance startup.
To apply the parameter change, SCOPE=BOTH applies the modification at the instance level and in the spfile used at startup. Use the value that applies the modification in the spfile only, provided that the spfile was used at startup:
If no spfile was used at startup, you would get another error message such as:
According to the definition of a static parameter, it cannot be modified during instance life, but only in the init or spfile parameter file.
Jeffrey Hunter is an Oracle Certified Professional, Java Development Certified Professional, Author, and an Oracle ACE. Jeff currently works as a Senior Database Administrator for The DBA Zone, Inc. located in Pittsburgh, Pennsylvania. His work includes advanced performance tuning, Java and PL/SQL programming, developing high availability solutions, capacity planning, database security, and physical / logical database design in a UNIX / Linux server environment. Jeff's other interests include mathematical encryption theory, tutoring advanced mathematics, programming language processors (compilers and interpreters) in Java and C, LDAP, writing web-based database administration tools, and of course Linux. He has been a Sr. Database Administrator and Software Engineer for over 20 years and maintains his own website site at: http://www.iDevelopment.info. Jeff graduated from Stanislaus State University in Turlock, California, with a Bachelor's degree in Computer Science and Mathematics.
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