Suppose a employee timesheet table is given, which has attributes emp_id, emp_status (IN/OUT only), swipe_time(which records date and time both when the card is swiped). Write a SQL query to find total number of employees who are inside the office ...
Two people A and B, train an algorithm on a same set of data. A trains by selecting 10 most important features from the dataset using an Algorithm C and randomly splits the dataset into training and testing dataset. B ...
A shopping mall owner has data of all its customers who visited in the year 2019 month-wise(Say in January 2019, the data would have all the names who visited the mall at least once). How can you predict how many ...