-
-
-
-
-
-
What is Redirection?
There are 3 types of Redirection.1)Input Redirection2)Output Redirection and3)Error RedirectionInstead of directing the input/output/error from/to the standard devices, we can direct them to/from a file
-
Do you have idea about "Shell Job Control"?
Explain about Background and Foreground processes
-
There are 2 tables, Employee and Department. There are few records in employee table, for which, the department is not assigned. The output of the query should contain all th employees names and their corresponding departments, if the department is assigned otherwise employee names and null value in the place department name. What is the query?
Select emp_name, Dept_name from (Employee_table left outer join Dept_table on Employee_table.Dept_id = Dept_table.Dept_id)
-
-
-