what is primary key,unique key, foreign key? can u teach me
in simple language?
- 44 Answers
- 174450 Views
- Banking, CMC, CTS, HCL, Infosys, Keggfarms, SkyEss, Sunrise, TCS, Web Synergies, Wipro, I also Faced
- E-Mail Answers
Answer Posted / pounammal sambath
primary key:
* primary key is the key which is used to for unique identification of the row in the table.
*it does not allows the duplicate and null values.
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
Hi, I want do a course in DWH Informatica Administrator and Abinito Administrator please tell me some institute in chennai and i am searching for a job,so please help me and my mail id : satty_rh@yahoo.co.in Thanks, Kumar
What are the types of indexes that are present inside a database?
Explain inner and outer joins with examples.
what is the full procedure for using store procedure in informatica7.1?
What is odm database?
Design an ETL process( batch job/script)from source to starting that u will not be dependent on the source in the near future?please elobarate details on what are things to consider.if you'd like to do a diagram that will be great.please answer it
How do database connections work?
What is ole db ado?
Define stored procedure?
5. Explain about relational algebra.
can we delete autodiff back up that we have set through sql server agent.
HOW PASS PARAMETERS FOLLOWING ORDER RPG-CL-RPG?
Data structure used to implements a menu:
What is lagging in DBMS ?
What is the purpose of TNS?
