What is a View ?
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Answer / guest
View is a logical table which will be created based on
select statement.
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Answer / minakshi sahu
view is alogical representation of a table. which is used
for data security
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what is the difference between authorization and authentication?
how can we store any pdf file in oracle
Explain the use of parfile option in exp command.
What is set operator oracle?
How do I learn what codesets are available in oracle?
what is pragma?
Please help me how to write a Query to change the primary key constraint from 1 attribute to another attribute in a table
What is meant by an index?
Can the query output be sorted by multiple columns in oracle?
what is the difference between table and veiw?
Can you assign multiple query result rows to a variable?
You have one employee table having 3 entries emp_id, Mgr_id and salary. Mgr_id is also referencing emp_id. so now find out the emp_id which are having the second highest salary, under a particular manager.