1) Explain about yourself

2) Explain Project workflow 

3) Different Keys available in sql server

4) Why unique key allow only one null and not multiple

5) Gave 2 tables and shown output so asked me to write query for that

6) How to concat 2 strings and other ways

7) Joins and output count of each join

8) Indexes

9) Sps 

10) Difference between sps n function

11) CTE and Temp Tables

12) Views

13) Difference between CTE and Subquery