What is the difference between column level constraints and
table level constraints?
Answer Posted / mohan
column level constraints contain all types of constraints
(like, not null,primary key,foregin key,unique).but table
level except not null constraint its supports all
constraints.
| Is This Answer Correct ? | 125 Yes | 32 No |
Post New Answer View All Answers
What are the different types of modules in oracle forms?
what is IDE,DMV in sql server?
i have a question here... As of my knowledge, when we apply an index (b-tree)on a column, internally it arranges the data in b-tree format and do the fetching process correspondingly... and my quetion is... How a bit-map index arranges the data internally when applied on a column?IS it in b-tree format or whatelse?
Other than making use of the statspack utility, what would you check when you are monitoring or running a health check on an Oracle 8i or 9i database?
What are the common oracle dba tasks?
How to bring a tablespace offline?
What is tns name?
How to define and use table alias names in oracle?
How to drop an existing view in oracle?
Can we connect to ORACLE db using Windows Authentication?
Explain the use of owner option in exp command.
Is it possible to insert comments into sql statements return in the data model editor ?
How can I combine multiple rows into a comma-delimited list in oracle?
How to calculate date and time differences in oracle?
What are the parameters that we can pass through a stored procedure?