SQL Interview Quiz -9 Less than a minute to read Mr.Chandra 17 September 202417 September 2024 Share Share : Share : Share : Full Name Mobile Number 1) Which one will be faster? Union Union ALL None 2) What is the equivalent function for NVL in Oracle? ISNULL COALESCE() None 3) Which operation removes table structure along with data? Delete Truncate Drop None 4) What is a subquery in SQL? A query within a query A query that retrieves data from multiple tables A query used to modify data in a table None 5) Which operator is used to compare the NULL values in SQL? Equal (=) NOT Equal (!= or ) IS NULL or IS NOT NULL None Time's up Mr.Chandra 17 September 202417 September 2024 Share Share : Share : Share : Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name and email in this browser for the next time I comment.
