Answer Posted / smita
Hi,
No , we cant create pk eithout unique index it
implicitelygenerater by oracle.
I want to clear that pk can b on one or more col but only
one pk.
While unique constraint can b one or more col and can b one
or morn unique key in a table
Is This Answer Correct ? | 10 Yes | 1 No |
Post New Answer View All Answers
What is row_number () in sql?
Do prepared statements prevent sql injection?
How to change the order of columns in Oracle SQL Plus ?
Which join is like inner join?
Can we use views in stored procedure?
What is a natural join sql?
Why we use triggers in mysql?
Can function return multiple values in sql?
What's the difference between inner join and left join?
How many sectors are in a partition?
What are synonyms in sql?
How do you write a subquery?
What does seeding a database mean?
How do you modify a trigger?
Why do we use %rowtype & %type in plsql?