What is self-referential integrity constraint ?
Answer Posted / orawhiz
If a foreign key reference a parent key of the same table is
called self-referential integrity constraint
| Is This Answer Correct ? | 36 Yes | 3 No |
Post New Answer View All Answers
How do I use os authentication with weblogic jdriver for oracle and connection pools?
Explain cascading triggers.
What is the difference between hot backup and cold backup in oracle?
why should i declare foreign key constraint as self relation instead of binary relation in tables ?
22. Display the order number, number of lines in the order, total number of items and total value for all orders that have a total value greater than $100
What is the difference between I and G in Oracle?
Can we save images in a database and if yes, how?
I just want to maintain data like an employee can belongs to 3 or more departments . We can resolve this by using composite key but it avoids normalization rules. So Can anyone tell me how can I maintain data.
How to define an oracle cursor variable?
How can we find out the current date and time in oracle?
How can we find out the duplicate values in an oracle table?
What is bulk collect in oracle?
What is partitioned table in Oracle?
How to get last row id?
How to view the data files in the current database?