Answer Posted / aslam baig
Primary key contains the charechteristics ( unique , not
null ), which means the number should not repeat, and
should null, the employees in the company can have same
name. if you assign unique number we can easily identity.
which employee absent, which employee got salary.... etc.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
Explain the use of ignore option in imp command.
What is oracle host variable?
What is Trigger in Oracle?
what is the difference between data migration and production migration.
How can I see all tables in oracle?
In AP we done Customizations for Late Payments Charges. For Reporting Purpose What are the Documents Prepared for Customer Understanding??
What are the advantages of oracle?
How to view the tablespaces in the current database?
How to assign query results to variables?
Can we convert a date to char in oracle and if so, what would be the syntax?
How to connect to a local oracle 10g xe server?
List out the difference between commit, rollback, and savepoint?
What is an oracle and why it is used?
How to use subqueries with the in operator using oracle?
How to rename a tablespace in oracle?