wHAT IS THE difference between foreign key and reference key
What is database partition key?
Is a database a file?
What is unique key in dbms?
What is openedge abl in terms of taking the perspective of the developer?
How do you performance tune a database?
What is 2nf in database?
Explain the concepts of a primary key and foreign key.
What do database languages do?
Explain the difference between a primary key and a unique key?
Explain the key constraints and constraints on Null Values with examples?
write a query to Find the Maximun second value in table?
Discuss some of the techniques that can be used to tune operational performance.