What is da in database?
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System tablespace cant be exported from one database and imported into another why?
When should you increase copy latches?
What is pga_aggregate_target?
Who is a database user?
If a tablespace shows excessive fragmentation what are some methods to defragment the tablespace? (7.1,7.2 and 7.3 only)
What is dba software?
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?
What database block size should I use?
Discuss row chaining, how does it happen?
How many types of database software are there?
How many control files should you have? Where should they be located?
What does the no logging option do? Why would we use it? Why would we be careful of using it?