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hello and welcome to career right im nishant and once again im here with a new topic and my todays topic is sql query interview questions and answers in mcq format so without wasting time lets get started now and the first question is select dash from employees will return all the columns from the employees table yes what will return all the columns from the employee table and the options we have at hash star dollar all right so the answer is c star star is used along with select statement in sql if we wish to select all the columns available in a table for example select star from employees and if you want to fetch the values of specific columns or fields of a table then we have to specify column names such as select column 1 column 2 from employees now the next question is select count distinct country from employees will return so the outcome of this query select count distinct country from employees will be and here we have the options and the correct answer is d will return t