Is it necessary to have database in archive log mode in configuration dataguard , if yes then why?
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What database block size should I use?
Do you need a commit after ddl statements?
How many control files should you have?
If a tablespace shows excessive fragmentation what are some methods to defragment the tablespace? (7.1,7.2 and 7.3 only)
What is ora-1555 snapshot too old error? Explain in detail?
What is the difference between raid 5 and raid 10? Which is better for oracle?
How should a many-to-many relationship be handled?
How can you find out how many users are currently logged into the database? How can you find their operating system id?
You are getting busy buffer waits. Is this bad? How can you find what is causing it?
How can you tell if a tablespace has excessive fragmentation?
What are the daily activities of oracle dba?
When should the default values for oracle initialization parameters be used as is?