What is the difference between referencing and joining?

Answer Posted / ramachchandran

referencing:

ex: table A--> having primary key
table B--> having foreign key. now referencing means
this table B refers table A using the particular field u
mentioned as primary key and foreign key.

joining:
we can perform joining operation only if two table
have primary key and foreign key relationship. using this
keys we can perform inner, left outer,fullouter,right outer
joins.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is stored in the mssqlsystemresource database? : sql server database administration

779


Why people hate cursor?

897


How do I open port 1433?

694


What is user-defined function? Explain its types i.e. Scalar and inline table value user-defined function?

658


How do you create an execution plan?

665






What is checkpoint in sql server?

814


What is attribute relationships, why we need it? : sql server analysis services, ssas

675


How to convert binary strings into integers in ms sql server?

725


How to insert multiple rows with one insert statement in ms sql server?

791


Can we take the full database backup in log shipping?

719


How do you send email on SQL Server?

757


What is role playing dimension with two examples? : sql server analysis services, ssas

775


Explain tables in SQL Azure?

114


What are the mathematical functions supported by sql server 2005?

755


List some of the rules that apply to creating and using a ‘view’

673