Deloitte Senior Analyst - FSD .Net Developer (SQL,Azure) interview questions

Latest version of .net core Difference between ado.net and entity framework Http codes for logical issues Suppose you have a table A and create the same structure of table A as table B only structure how to do Dataset vs datatable You have excel sheet with 1lak data and I want to get that sheet in sql Indexes in sql Composite key Candidate key Function overloading difference between Covert.tostring and tostring