Explain your previous roles and responsibilities. what is the difference between delete and truncate what are views in SQL what is index and what types of indexes in SQL Joins and types of joins difference between Union and union all operations how can find out 5th highest salary from employee table difference between cp and mv commands in linux how can you find out memory usage in linux find the files having more than 10mb in size how can get 50 to 60 lines out of 100 lines in a file
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