Interested to Buy Any Domain ? << Click Here >> for more details...
what is mean by prmary key and foreign key and how can we
diffrentiate that?
Please answer me.
Advance thanks.
- 9 Answers
- 17621 Views
- BPO, Excel, Wipro, I also Faced
- E-Mail Answers
Answer Posted / cm
example :
primary key table: emp ( ENO, ename, address)
here eno is primary key
foreign key: table hari( ENO, phone, salary)
here same eno from hari table is used to get the values
from emp.
| Is This Answer Correct ? | 32 Yes | 1 No |
Post New Answer View All Answers
What happens to the data files if a tablespace is dropped?
What will be the syntax to find current date and time in format "yyyy-mm-dd"?
What is Virtual Private Database in Oracle?
What are a cluster and non-cluster index?
How to start your 10g xe server from command line?
Explain the use of grant option in imp command.
What is the parameter mode that can be passed to a procedure?
Explain what are the uses of rollback segment?
What is the fastest query method to fetch data from the table?
How to define an anonymous procedure without variables?
while i take backup using ibm tsm the following errors occurred: rman-03009 ora-19513 ora-27206 ora-19502 ora-27030 ora-ora19511
What is SQL Tuning Advisor in Oracle?
Explain oracle’s system global area (sga).
What do you mean by a tablespace?
What is connection pooling in oracle?
