What is tns service name?
No Answer is Posted For this Question
Be the First to Post Answer
What are the database administrators utilities available?
What are the data types in oracle?
what is the difference between first normal form & second normal form?
What is the data pump export utility?
I have query like this. select dept_id, max_mark from stude_dept where min_mark= (select min(mini_mark) from stud_dept); How can i optimize this query. Can anyone help me with it
How to set up autotrace for a user account?
Explain view?
What do the 9i dbms_standard.sql_txt() and dbms_standard.sql_text() procedures do?
how to delete all duplicate records from a table using subquery?
How to commit the current transaction in oracle?
i have a question here... As of my knowledge, when we apply an index (b-tree)on a column, internally it arranges the data in b-tree format and do the fetching process correspondingly... and my quetion is... How a bit-map index arranges the data internally when applied on a column?IS it in b-tree format or whatelse?
what are the disadvantages of hierarchial database over RDBMS?