Search Interview Questions
| More than 3000 questions in repository.|
There are more than 900 unanswered questions.
Click here and help us by providing the answer.
Have a video suggestion.
Click Correct / Improve and please let us know.
|Interview Questions and Answers|
|Ans. CRUD stands for "Create, read, update and delete" are the basic functions of persistence.|
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve  CRUD  Persistence  Database  Database Operations Asked in 3 Companies Basic   frequent|
|What is database deadlock ? How can we avoid them?|
|What is ACID ?|
|What things you would care about to improve the performance of Application if its identified that its DB communication that needs to be improved ?|
|If you are given a choice to implement the code to either Insert a Record or Update if already exist, Which approach will you follow ?|
|What is the use of @GeneratedValue annotation in Hibernate?|
|What is a Database Trigger ?|
|What happens to backups if we delete the RDS instance ?|
|What is a Cursor ?|
|What are temp tables ?|
|Does SQL allow null values ? Can we use it within Where clause ?|