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28. Show the employee name and the employee job title by the same field give the field new name. SELECT empname, job, empname || job as 'emploJob' FROM emp ; The concatenation tools use to companies two attribute in one; not in the table just in the result of retrieve of the SQL statement

28. Show the employee name and the employee job title by the same field give the field new name. SELECT empname, job, empname || job as 'emploJob' FROM emp ; The concatenation tools use to companies two attribute in one; not in the table just in the result of retrieve of the SQL statement

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Q8. Show the employee name and the employee job title by the same field give the field new name. SELECT empname, job , empname || job as 'emploJob' FROM emp ; The concatenation tools use to companies two attribute in one; not in the table just in the result of retrieve of the SQL statement Q9. Show the name, salary, commotion For the employees whose their salary equal or less than their commotion. SELECT empname, sal, commotion FROM emp WHERE sal <=commotion; Some operator used with WHERE condition BETWEEN AND NOT (BETWEENAN IN( ) NOT IN( LIKE NOT LIKE( IS NULL IS NOT NULL Q10. Retrieve the names of employees who their saiery is more than 100 and less than 850. SELECT empname FROM emp WHERE sal >100 AND sal <850 ; Or we can use the BETWEEN AND operator SELECT empname FROM emp WHERE sal BETWEEN 100 AND 850 ;
Transcribed Image Text:Q8. Show the employee name and the employee job title by the same field give the field new name. SELECT empname, job , empname || job as 'emploJob' FROM emp ; The concatenation tools use to companies two attribute in one; not in the table just in the result of retrieve of the SQL statement Q9. Show the name, salary, commotion For the employees whose their salary equal or less than their commotion. SELECT empname, sal, commotion FROM emp WHERE sal <=commotion; Some operator used with WHERE condition BETWEEN AND NOT (BETWEENAN IN( ) NOT IN( LIKE NOT LIKE( IS NULL IS NOT NULL Q10. Retrieve the names of employees who their saiery is more than 100 and less than 850. SELECT empname FROM emp WHERE sal >100 AND sal <850 ; Or we can use the BETWEEN AND operator SELECT empname FROM emp WHERE sal BETWEEN 100 AND 850 ;
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