Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

What is the difference between column level constraints and
table level constraints?

Answer Posted / nilesh

Column level constraints are applicable to that column
only, whereas table level conatraints are used to define
composite keys like primary key for the combination of two
or more columns in a table

Is This Answer Correct ?    201 Yes 35 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What view(s) do you use to associate a users SQLPLUS session with his o/s process?

2355


1) What is ONE_SIZE_FITS_ALL approach? 2) Explain the Common & Variable Header of DATA FILE? 3) What are the Drawbacks to using OMF DB? and the Advantages? 4) List out the Advantages of Undo T.spaces over the Undo SEGMENT? 5) Difference between the Temporary tablespace with TEMPFILE and the Tablespace with TEMPORARY Keyword? 6) What are the situation extents are freeing for reuse.

2093


Difference between hot backup vs. Cold backup?

992


is there a tool to trace queries, like profiler for sql server?

1141


what is Single Byte Overhead...?

2556


How to omit columns with default values in insert statement in oracle?

1046


What is a table index?

1098


Explain the difference between sql and oracle?

1079


What are a query and state the different types of queries and their uses?

1016


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.

1948


How to execute a stored program unit?

1077


master table and child table performances and comparisons in Oracle ?

2138


What is the difference between hot backup and cold backup in oracle?

1014


How to use subqueries with the in operator using oracle?

1091


how can db_files > maxdatafiles since db_files is for instance and the later is for database

2623