Interested to Buy Any Domain ? << Click Here >> for more details...
what is primary key,unique key, foreign key? can u teach me
in simple language?
- 44 Answers
- 189140 Views
- Banking, CMC, CTS, HCL, Infosys, Keggfarms, SkyEss, Sunrise, TCS, Web Synergies, Wipro, I also Faced
- E-Mail Answers
Answer Posted / pinna
primary key is that key that can uniquenly identify the
values
| Is This Answer Correct ? | 182 Yes | 68 No |
Post New Answer View All Answers
Which database is best to store images?
I have single column in a file. Input 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 my output is file 1 have 1,2,3,10,11,12 file 2 have 4,5,6,13,14,15 and file 3 have 7,8,9 how is it possible in datastage
HOW PASS PARAMETERS FOLLOWING ORDER RPG-CL-RPG?
What are the advantages of views in a database?
You are creating a Index on EMPNO column in the EMPLOYEE table. Which statement will you use?
Explain normalization in one line?
How much does it cost to build a database?
What is ole db ado?
can i use the commands "modify" and Change in DB2 to alter my column datatype and its name in a table?
What is the Lock Based Protocol used for?
Display the employees whose salary is less than average salary.
How default key is different from primary key?
Which Statement would you use to remove the EMPLOYEE_Id_PK PRIMARY KEY constraint and all depending constraints from the EMPLOYEE table?
1. How to test Database? Please, give me all details for "SQL,Msaccess, Mysql Database? 2.For which functionalities database used? 3.How to convert Guest to Admin by Mysql database?
Explain artificial key?
