Quality is delighting customers
Sample SQL questions.
1. How to find second max salary
2. What is difference b/w delete and truncate
3. I have two table a abc tabl b
need to retrieve the data existing in both tables
4.Can a foreign key can null values
5.What is the diff b/w primary/foreign key/unique key
6.What is differnce b/w rank and dense rank
Different types of "joins"; example inner join, outer join etc.
Pl send me the quires with answers to email@example.com as soon as possible.I'm also facing interview .