Tell me about standby database? What are some of the configurations of it?
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What are types of data model?
What are the different types of database users?
While taking hot backup (begin end backup) what will happens back end?
What should a dba know?
Does a dba have to file taxes?
What is difference between co-related sub query and nested sub query?
What is the difference between a database and instance?
You see multiple extents in the temporary tablespace. Is this a problem?
Explain the process you follow to start looking into performance issue at database level(if the application is running very slow, at what points do you need to go about the database inorder to improve the performance?)
When looking at v$sysstat you see that sorts (disk) is high. Is this bad or good? If bad -how do you correct it?
Guideline for sizing db_block_size and db_multi_block_read for an application that does many full table scans?
When using oracle export/import what character set concerns might come up? How do you handle them?