what is the difference between first normal form & second
normal form?
Answer Posted / manoj gogoi
1NF: NO duplicate records.
2NF: No composite primary key
| Is This Answer Correct ? | 8 Yes | 4 No |
Post New Answer View All Answers
candidate key is subset of super key but not vice-verse explain
Can multiple columns be used in group by in oracle?
how the Oracle Prepares the Execution Plan and how it chooses the Optimal one?
How to use "in" parameter properly?
Differentiate between post-database commit and post-form commit?
How to select an oracle system id (sid)?
how to clone 9i Database on to 10g Database.
How to add another datafile to a tablespace?
Explain user account with reference to oracle.
What are the differences between blob and clob in oracle?
Assuming today is Monday, how would you use the DBMS_JOB package to schedule the execution of a given procedure owned by SCOTT to start Wednesday at 9AM and to run subsequently every other day at 2AM.
Is oracle a relational database?
Is there any way to find out when one specific table/view/M-view is used last time. i.e. when one specific object is used in any SELECT statement.
In oracle there is column command, how will you explain that?
What are the four Oracle system processes that must always be up and running for the database to be useable?