题目内容
（请给出正确答案）
Question8: How can I list all California authors regardless of
whether they have written a book？
In database pubs, have a table authors and titleauthor , table authors has a
column state, and titleauhtor have books each author written.
CA behalf of california in table authors.
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更多“Question8: How can I list all …”相关的问题
Question2：Can you use a SQL statement to calculating it!
How can I print "10 to 20" for books that sell for between $10 and $20，
"unknown" for books whose price is null, and "other" for all other prices？
A.You bet!
B.Yes, I do.
C.No, I can' t.
D.How？
A.Guess
B.That' s so nice of you
C.Yes, I am
D.Sure
Question9: How can I get a list of the stores that have bought both
'bussiness' and 'mod_cook' type books？
In database pubs, use three table stores,sales and titles to implement this
equestment.
ow I want to get the result as below:
stor_id stor_name
------- ----------------------------------------
...
7896 Fricative Bookshop
...
...
...
A. Surely I am _______ any exam.
B. busy with
C. afraid of
D. ready for
E. interested in
A.I can help you.
B.Certainly, how dare you
C.It’s quite all right
D.Yes, you di
E.
Question3：Can you use a SQL statement to finding duplicate
values!
How can I find authors with the same last name？
You can use the table authors in datatabase pubs. I want to get the result as
below:
Output:
au_lname number_dups
---------------------------------------- -----------
Ringer 2
(1 row(s) affected)
Question11: How can I list all book with prices greather than the
average price of books of the same type？
In database pubs, have a table named titles , its column named price mean
the price of the book, and another named type mean the type of books.
Now I want to get the result as below:
type title price
------------
--------------------------------------------------------------------------------
---------------------
business The Busy Executive's Database
Guide 19.9900
...
...
...
...
Question10: How can I list non-contignous data？
In database pubs, I create a table test using statement as below, and I
insert several row as below
create table test
(id int primary key )
go
insert into test values (1 )
insert into test values (2 )
insert into test values (3 )
insert into test values (4 )
insert into test values (5 )
insert into test values (6 )
insert into test values (8 )
insert into test values (9 )
insert into test values (11)
insert into test values (12)
insert into test values (13)
insert into test values (14)
insert into test values (18)
insert into test values (19)
go
Now I want to list the result of the non-contignous row as below,how can I
do it？
Missing after Missing before
------------- --------------
6 8
9 11
...
