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Problem 3: Determine the output SQL> desc courseinfo; Name Null? Туре VARCHAR2 (4) VARCHAR2 (25) NUMBER (3) NUMBER (3) CRSNO CRSNAME САРАСITY ENROLLED SQL> select * from courseinfo: CRSN CRSNAME САРАCITY ENROLLED CIO5 C++ CIO7 VB 20 32 24 CI12 Oracle 30 CI17 PHP 32 32 BU10 Management 32 18 BU19 Sales 25 20 BU23 Accounting 30 21 7 rows selected. SQL> select substr(crsno, 1,2), sum (enrolled) 2 from courseinfo 3 group by substr(crsno, 1,2) 4 having sum (enrolled) > 5 www ww w (select avg (enrolled) 6 from courseinfo); Explain and show the output that would be produced. Problem 4: Now make this change and explain and show the output that would be produced. SOL> select substr(crsno,1,2), avg (enrolled) from courseinfo 3 group by substr(crsno,1,2) 4 having avg (enrolled) > (select avg (enrolled) from courseinfo); 5 N 22 312 2 ONO N25O

Problem 3: Determine the output SQL> desc courseinfo; Name Null? Туре VARCHAR2 (4) VARCHAR2 (25) NUMBER (3) NUMBER (3) CRSNO CRSNAME САРАСITY ENROLLED SQL> select * from courseinfo: CRSN CRSNAME САРАCITY ENROLLED CIO5 C++ CIO7 VB 20 32 24 CI12 Oracle 30 CI17 PHP 32 32 BU10 Management 32 18 BU19 Sales 25 20 BU23 Accounting 30 21 7 rows selected. SQL> select substr(crsno, 1,2), sum (enrolled) 2 from courseinfo 3 group by substr(crsno, 1,2) 4 having sum (enrolled) > 5 www ww w (select avg (enrolled) 6 from courseinfo); Explain and show the output that would be produced. Problem 4: Now make this change and explain and show the output that would be produced. SOL> select substr(crsno,1,2), avg (enrolled) from courseinfo 3 group by substr(crsno,1,2) 4 having avg (enrolled) > (select avg (enrolled) from courseinfo); 5 N 22 312 2 ONO N25O

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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Problem 3: Determine the output SQL> desc courseinfo; Name Null? Туре VARCHAR2 (4) VARCHAR2 (25) NUMBER (3) NUMBER (3) CRSNO CRSNAME CAPACITY ENROLLED SQL> select * from courseinfo; w nd CRSN CRSNAME САРАCITY ENROLLED --- - CIO5 C++ 30 20 CIO7 VB 32 24 CI12 Oracle 30 27 CI17 PHP 32 32 BU10 Management 32 18 BU19 Sales 25 20 BU23 Accounting 30 21 7 rows selected. SQL> select substr(crsno, 1,2), sum (enrolled) from courseinfo group by substr(crsno, 1,2) having sum (enrolled) > (select avg (enrolled) from courseinfo); 2 3 w 4 5 6 wwww Explain and show the output that would be produced. Problem 4: Now make this change and explain and show the output that would be produced. SQL> select substr(crsno, 1,2), avg (enrolled) from courseinfo group by substr(crsno, 1,2) 4 having avg (enrolled) > (select avg (enrolled) from courseinfo); w w ww 5
Transcribed Image Text:Problem 3: Determine the output SQL> desc courseinfo; Name Null? Туре VARCHAR2 (4) VARCHAR2 (25) NUMBER (3) NUMBER (3) CRSNO CRSNAME CAPACITY ENROLLED SQL> select * from courseinfo; w nd CRSN CRSNAME САРАCITY ENROLLED --- - CIO5 C++ 30 20 CIO7 VB 32 24 CI12 Oracle 30 27 CI17 PHP 32 32 BU10 Management 32 18 BU19 Sales 25 20 BU23 Accounting 30 21 7 rows selected. SQL> select substr(crsno, 1,2), sum (enrolled) from courseinfo group by substr(crsno, 1,2) having sum (enrolled) > (select avg (enrolled) from courseinfo); 2 3 w 4 5 6 wwww Explain and show the output that would be produced. Problem 4: Now make this change and explain and show the output that would be produced. SQL> select substr(crsno, 1,2), avg (enrolled) from courseinfo group by substr(crsno, 1,2) 4 having avg (enrolled) > (select avg (enrolled) from courseinfo); w w ww 5
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