1 What is an inner join in SQL? 1 What is an outer join in SQL? 1 What is full join in SQL? 1 What is left join in SQL Server? 1 What is a right join in SQL Server? 1 What is database engine in SQL ...
Database administrator with 14+ years of hands-on experience in database management and database design. After 15 years of managing Oracle databases across various enterprise environments, I can ...
we have a swipe table which keeps track of the employee login and logout timings. 1. Find out the time employee person spent in office on a particular day (office hours = last logout time - first ...
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