How will you differentiate between varchar & varchar2?
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If youre unsure in which script a sys or system-owned object is created, but you know its in a script from a specific directory, what UNIX command from that directory structure can you run to find your answer?
How to lock and unlock a user account in oracle?
What is the difference between hot backup and cold backup in oracle? Tell about their benefits also.
Give the different types of rollback segments.
What is Library Cache in Oracle?
How to rename a column in an existing table?
Difference between oracle's plus (+) notation and ansi join notation?
what are the diffeenes between oracle 9i,oracle 10g
24. Display the order number for all orders whose average item cost is greater than the overall average item cost across all orders.
What is different types of joins?
How do you increase the OS limitation for open files (LINUX and/or Solaris)?
How to insert a record into a table?