what is primary key,unique key, foreign key? can u teach me
in simple language?
Answer Posted / manadithya
primary key is the key to the primary school and the
foriegn key means the key made in foriegn
| Is This Answer Correct ? | 3 Yes | 3 No |
Post New Answer View All Answers
What is database and its types?
Explain transaction manager?
Which Statement would you use to remove the EMPLOYEE_Id_PK PRIMARY KEY constraint and all depending constraints from the EMPLOYEE table?
i have windows-xp processor with P4 system. whenever I tried to download foxpro for windows 2.6 on windows XP, my operating system failed to install foxpro for windows 2.6.please. how could i download , install & run foxpro for windows 2.6 easily on windows XP ?
What is database schema name?
wHat Is THE difference between MOVEL and MOVEL(P)……….. CAN ANYONE EXPLAIN ME..
What are the disadvantages of views in a database?
What are different types of data models available? Explain with example?
What is the Difference Primary key and Unique Key
How do you pass parameter in stored procedure?
Is it good to store images in database?
List the properties of a transaction.
Does facebook use graph database?
What is database server and how it works?
Which is the best graph database?