why should i declare foreign key constraint as self relation
instead of binary relation in tables ?
No Answer is Posted For this Question
Be the First to Post Answer
What do you mean by a deadlock?
Explain the use of file option in exp command.
If I have a select statment which retrives 2 rows, & that rows have the same data in all the fields except the last field and I want to merge the 2 rows to be in 1 row with concatenating the last field which have the different data.... eg: the 1st row has these fields: A-B-C the second row has: A-B-X ........ i want to merge the two row to be in one row like ----> A- B- C,X
What are the various types of snapshots ?
how to we delete a row using varray
How a tablespace is related to data files?
What is the use of oracle?
Ho to insert no. of records at a time..i mean i want to insert 100 records at a time into a table
What is mean by Program Global Area (PGA) ?
Give the Types of modules in a form?
What is a nvl function?
How do I manually uninstall oracle client?