what is primary key,unique key, foreign key? can u teach me
in simple language?
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
What is a super key?
What is a driver in database?
On startup, the transaction log of a database has filled and recovery has suspended, what can I do?
What is the use of default key?
How to do performance tunning a database in DB2 V8.2 UDB in linux
What are different types of blocks used in stored procedure?
What are different types of joins used in?
What is a database example?
What are different types of resources?
What are the advantages of views in a database?
How many types of locks are present in a database?
What is the function of cluster index?
how to send multiple records which matches all the condition in the lookup transformation ? (if lookup matches the codition for duplicate values)
How to do Data integrity testing? Who does this testing (Developer or tester)?
What is the use of graph database?