What is differance unique key and primary key.
Answer Posted / nagurthilak
Through Unique key we cant establish the relation between to
two tables but from primary key it is possible
| Is This Answer Correct ? | 3 Yes | 4 No |
Post New Answer View All Answers
What is duration in sql profiler trace?
How to change the order of columns in Oracle SQL Plus ?
What is type and rowtype in pl sql?
What is the difference between joins?
what is a database lock ? : Sql dba
What does the file extension accdb stand for?
Which query operators in sql is used for pattern matching?
What is primary and foreign key?
What is difference between cursor and trigger?
What is sap sql?
What is view? Can we update view
What are sql functions? Describe the different types of sql functions?
How to write a single statement that concatenates the words ?hello? And ?world? And assign it in a variable named greeting?
What is a null value?
What are the different ddl commands in sql?