Is there any function in oracle similar like group_concat of mysql?
How can we find out the current date and time in oracle?
What are the extensions used by oracle reports?
How to convert characters to numbers in oracle?
What is the difference between formal parameters and actual parameters?
I have a database backup file in .db (ext) form how to conver it into .dmp (ext.) for oracle database
What would you use to improve performance on an insert statement that places millions of rows into that table?
Ho to insert no. of records at a time..i mean i want to insert 100 records at a time into a table
How do you recover a datafile that has not been physically been backed up since its creation and has been deleted. Provide syntax example.
How many types of segments in Oracle?
a query to select maxmun 3 salaries of employee table
What is the relationship among database, tablespace and data file?
In my table i have 4 columns with 100 records but in that 4 columns one column contains all NULL values so can i add NOT NULL CONSTRAINT on that column......... ok if it is not possible, can i add NOT NULL CONSTRAINT from 101 Record Onwards?