What is differance unique key and primary key.
Answer Posted / l..l.n.reddy
PRIMARY KEY:- only one primary key in a table.
UNIQUE KEY:- One or more unique key in a table.
Is This Answer Correct ? | 1 Yes | 3 No |
Post New Answer View All Answers
what is a stored procedure? : Sql dba
How many postgresql users are there, worldwide?
What is compilation error in pl sql?
Does sql*plus have a pl/sql engine?
How do you delete data from a table?
What is the difference between inner join and natural join?
What will you get by the cursor attribute sql%found?
What is normalization in sql?
How do I count duplicates in sql?
What is the most common sql injection tool?
Does truncate free space?
Can 2 queries be executed simultaneously in a distributed database system?
What is the difference between an inner join and an outer join?
can a stored procedure call itself or recursive stored procedure? : Sql dba
What is aggregate function in sql?