Interested to Buy Any Domain ? << Click Here >> for more details...
Difference between primary key and unique key ?
- 77 Answers
- 208331 Views
- Accenture, B2B Software Technologies, Cognizant, HP Finsoft, IndiaNIC, Karomi Technology, Keane India Ltd, L&T, Onward eServices, R Systems, Shakti, Techtic Solutions, I also Faced
- E-Mail Answers
Answer Posted / guna
there is only one primary key for one table;
it can not acept null values;
any no uniquefor a table;
it can accept null values;
which the rows are unique value;
| Is This Answer Correct ? | 9 Yes | 18 No |
Post New Answer View All Answers
What is oracle open database communication (odbc)?
What is set operator oracle?
Is insert autocommit in oracle?
How can we view last record added to a table?
What is oracle latest version?
What is catalog in Oracle?
What is an oracle user role?
What is the difference between pre-select and pre-query?
How can I convert single byte kana characters into multi byte kana characters and vice-versa.
What is the difference between postgresql and oracle?
What is object data modeling?
What are dml statements in oracle?
What is the maximum number of triggers that can be applied to a single table?
How to resolve name conflicts between variables and columns?
Explain enable novalidate constraint.
