What is primary key and unique key?
Why do we need databases?
What are primary key and foreign key and how they work?
What are the different types of dbmss?
What are the advantages of normalization?
What are the different types of dbms?
Explain the working of primary key?
What are sql functions? Describe the different types of sql functions?
Describe different types of general function used in sql?
What are sql functions? Describe in brief different types of sql functions?
What is the difference between sql and isql*plus?
Explain exception handling in pl/sql?
What is the use of double ampersand (&&) in sql queries? Give an example
what is the use of double ampersand (&&) in sql queries?
What is sql and also describe types of sql statements?