How can you find out how many users are currently logged into the database?
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How do I become a data manager?
What is the difference between truncate and delete? Why is one faster?
What is difference between co-related sub query and nested sub query?
Why do we need a database?
You attempt to add a datafile and get: ora-01118: cannot add anymore datafiles: limit of 40 exceeded. What is the problem and how can you fix it?
What are the beneficial tools for administering the database?
How long does it take to learn database administration?
How many types of database software are there?
What is the difference between cold backup and hot backup?
using hot backup without being in archive log mode, can you recover in the event of a failure? Why or why not?
How can you determine if an oracle instance is up from the operating system level?
Tell me about standby database? What are some of the configurations of it?