29. How do you increase the OS limitation for open files (LINUX and/or Solaris)?
30. Provide an example of a shell script which logs into SQLPLUS as SYS, determines the current date, changes the date format to include minutes & seconds,
issues a drop table command, displays the date again, and finally exits.
31. Explain how you would restore a database using RMAN to Point in Time?
32. How does Oracle guarantee data integrity of data changes?
33. Which environment variables are absolutely critical in order to run the OUI?
34. What SQL query from v$session can you run to show how many sessions are logged in as a particular user account?
35. Why does Oracle not permit the use of PCTUSED with indexes?
36. What would you use to improve performance on an insert statement that places millions of rows into that table?
37. What would you do with an "in-doubt" distributed transaction?
38. What are the commands you’d issue to show the explain plan for "select * from dual"?
39. In what script is "snap$" created? In what script is the "scott/tiger" schema created?
40. If you’re unsure in which script a sys or system-ed object is created,but you know it's in
script from a specific directory, what UNIX command from that directory structure can you
run to find your answer?
41. How would you configure your networking files to connect to a database by the name of DSS which resides in domain icallinc.com?
42. You create a private database link and upon connection, fails with: ORA-085: connects to
What is the problem? How would you go about resolving this error? |
