Sorted:

What is the usage of margin and padding?

How can multiple fields be updated in batches in MySQL?

How to use foreach in MySQL to update data in bulk?

What is the function of the pivot function in Oracle?

What is the difference between DTO and Entity in Java?

How to find the length of a structure in C using sizeof?

What is the difference between VO and DTO?

What are the applications of VO and DTO?

How do you retrieve all enumeration values in Java?

What are the steps for setting up an Elasticsearch cluster?