What is the difference between null and empty?
When do we use synchronized methods in java?
Why we use join in sql?
What is the concept of SuperColumn in Cassandra?
From which ios version, arc is supported?
what is the standard time in production management ?
What do you mean by extended cell? Does it have any impact on the system? If yes, what?
What are zymogens?
What are the disadvantages of shell scripting?
What is breadth testing?
What are the differentiate between stateful and stateless components?
Is mongodb the same as nosql?
What is servlet in tomcat?
Explain the various authentication mechanisms in asp.net.
Why linux is safe?