What to do if dba lost the system password?
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What happens to the current transaction if the session is ended?
How do you find current date and time in oracle?
what are bitmap indexes? How does they work?
How are Indexes Update ?
when loggined as SYSTEM,how to display all the users of database using sql query?
If server is in US and client is in india there is timezone is diffrence, How can we display date in indian time when data is displayed from US server timezone?
In Oracle 9i what does "i" Stands for?
What is a cursor variable?
How to create a new table by selecting rows from another table?
If a parameter is used in a query without being previously defined, what diff. exist betw. report 2.0 and 2.5 when the query is applied ?
what is the difference between authorization and authentication?
How to calculate date and time differences in oracle?