Topic: SQL*Plus and PL/SQL >> SQL Queries Plz execute the query and send the results
|
Disclaimer: The purpose of all dbapool forums including OCP and Other Oracle Certification forums is to help each other with specific issues but not to share dump and copyrighted exam content, materials or intellectual property.
You may review the entire Oracle Certification Program Candidate Agreement online Here.
|
|
|
|
| Title: SQL Queries Plz execute the query and send the results |
| jeeva |
Posted: Oct 31, 2007 04:26:31 AM |
Total Post: 11
Joined: Oct, 2007
|
create table table1(A number(5),B number(5));
insert into table1(A,B) values(3,7);
insert into table1(A,B) values(1,5);
insert into table1(A,B) values(null,4);
insert into table1(A,B) values(2,6);
1> select * from table1 orderby null;
2> select "*" from table1;
3> select a,count(a) from table1 groupby(a);
4> select 'a'+'b' from table1;
5> select "a"+"b" from table1;
6> select sum(0) from table1;
7> select sum(1) from table1;
8> select sum(null) from table1;
9> select all rows from the table1 using "join" clause
10> select 'b' 'a','a' 'b' from table1 orderby 1;
11> select sum(a+b) from table1;
12> select avg(0) from table1;
i don't have computer to run these queries
Plz execute these queries and send the results
|
|
|
 Bala |
| Posted: Oct 31, 2007 04:56:55 PM |  |
|
Total Post: 3
Joined: Oct, 2007
|
See the answers below:
select * from table1 order by null;
A,B
1,5
,4
2,6
3,7
select "*" from table1;
== ORA-00904: "*": invalid identifier
select a,count(a) from table1 group by(a);
A,COUNT(A)
1,1
2,1
3,1
,0
select 'a'+'b' from table1;
== ORA-01722: invalid number
select "a"+"b" from table1;
== ORA-00904: "b": invalid identifier
select sum(0) from table1;
== 0
select sum(1) from table1;
== 4
select sum(null) from table1;
== NULL
select all rows from the table1 using "join" clause
== ORA-00936: missing expression
select 'b' 'a','a' 'b' from table1 orderby 1;
== ORA-00923: FROM keyword not found where expected
select sum(a+b) from table1;
== 24
select avg(0) from table1;
== 0
|
|
|
|
|
| Time Zone: EDT |
Send this thread to your friend |
|
|
|
|
Forum Rules & Description
Who Can Read The Forum? Any registered user or guest
Who Can Post New Topics? Any registered user
Who Can Post Replies? Any registered user
|
| |
Get FREE Magazines
|
Top 10 Forum User
|
| Murtuja Khokhar | 857 |
| Mohammed Taj | 746 |
| positive fanatic | 483 |
| Jayanta Sur | 479 |
| Vigyan Kaushik | 386 |
| Gopu Gopi | 327 |
| Gitesh Trivedi | 322 |
| Vinoth Kumar | 264 |
| neeraj sharma | 258 |
| Ramesh Jois | 246 |
|
|
