What is the command to find the database that already present before connecting ?
ps -ef | grep oracle
On Unix the command is ps -aef | grep -i pmon
What is the diff b/w btree index and bitmap index
A B-Tree index stores the index value and the physical rowid of the row. The index values are arranged in the form of leaves. A B-Tree index is used most when the cardinality is high.
A Bitmap index ...
For example suppose we have using many distinct value for particular column in that time using b-tree index.
Bitmap indexes which is used low cardinaties values .
For example suppose we have using gender or flag column in that time using bitmap index .
Describe a time when you had to work under pressure.
How do you handle conflict?
BPO Career for BTech Graduates
What do you think about our company?
What are my options when I do not get a job after graduation?
How do you handle pressure and stress?
Does a problem make you a better person?
How do you approach a problem?
How do you handle difficult situations?
What was the most important decision you ever had to make?
Ask Interview Question?
Have Career Question?
Ask Only Career questions.