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wat iz self join write qeriry for table
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Answer / manish
Sometimes you need to join a table to itself. To find the
name of each employee’s manager, you need to join the
EMPLOYEES table to itself, or perform a self join.
The Query:
SELECT worker.last_name || works for || manager.last_name
FROM emp worker, emp manager
Where worker.emp_id = manager.emp_id;
| Is This Answer Correct ? | 8 Yes | 1 No |
Answer / srinidhi patil
Joining A table to self is called as self join
| Is This Answer Correct ? | 2 Yes | 0 No |
hi this is chik here iam showing my current project ERP and am prepair in hr model please tell me details about it and what all function test in hr model and give me some test caserelated to this module.Please tell me am faceing lots of problem in interview am not able to explain in interview please help me out my id is chiku_69@yahoo.in
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