What is ora-1555 snapshot too old error? Explain in detail?
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If a tablespace shows excessive fragmentation what are some methods to defragment the tablespace? (7.1,7.2 and 7.3 only)
Discuss row chaining, how does it happen?
Tell me about standby database? What are some of the configurations of it?
What are the tradeoffs between many vs few indexes? When would you want to have many, and when would it be better to have fewer?
What does a dba do all day?
How can you determine if the sqlnet process is running for sqlnet v1? How about v2?
You see multiple fragments in the system tablespace, what should you check first?
What is dba software?
How does one create a new database?
Explain dual table. Is any data internally stored in dual table. Lot of users is accessing select sysdate from dual and they getting some millisecond differences. If we execute select sysdate from emp; what error will we get. Why?
I am getting error "no communication channel" after changing the domain name? What is the solution?
What do you understand by the term 'system change number (scn)'?