What is Enterprise JavaBeans Query Language (EJB QL)?

958

What is difference between secondary namenode, checkpoint namenode & backupnode?

472

What is the difference between servlet and filter?

963

how would you write a sql query to compute a frequency table of a certain attribute involving two joins? What changes would you need to make if you want to order by or group by some attribute? What would you do to account for nulls?

1639

Can a class be private in java?

1010

Do you know validations in laravel?

745

What are nat gateways?

306

Briefly explain the relationship between sales organizations and company codes.

1064

Is bigger than spark driver maxresultsize?

298

What is and why dojo toolkit ?

1

Apache Spark is a good fit for which type of machine learning techniques?

282

Explain what is database first approach in mvc using entity framework?

1

How do you erase part of a shape in word?

586

I want to control database connections in my program and want that only one thread should be able to make database connection at a time. Define how can I implement this logic?

1008

When did the challenger return to the earth after its first mission?

131