what is thae main difference between foreingkey and
primarykey
- 5 Answers
- 9133 Views
- I also Faced
- E-Mail Answers
Answer Posted / karthik
primary key:a primary key is combination of unique,and not
null constraint and a table can have only one primary key
foreign key ;
a foreign key is a reference of the primary key and returns
reference from itself or from other table data
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
Please Help Members By Posting Answers For Below Questions
No New Questions to Answer in this Category !! You can
Post New Questions
Answer Questions in Different Category
