In-Line Views (Derived Tables) : Inline view « Subquery « SQL Server / T-SQL Tutorial






4>
5>
6> CREATE TABLE titles(
7>    title_id       varchar(20),
8>    title          varchar(80)       NOT NULL,
9>    type           char(12)          NOT NULL,
10>    pub_id         char(4)               NULL,
11>    price          money                 NULL,
12>    advance        money                 NULL,
13>    royalty        int                   NULL,
14>    ytd_sales      int                   NULL,
15>    notes          varchar(200)          NULL,
16>    pubdate        datetime          NOT NULL
17> )
18> GO
1>
2> insert titles values ('1', 'Secrets',   'popular_comp', '1389', $20.00, $8000.00, 10, 4095,'Note 1','06/12/94')
3> insert titles values ('2', 'The',       'business',     '1389', $19.99, $5000.00, 10, 4095,'Note 2','06/12/91')
4> insert titles values ('3', 'Emotional', 'psychology',   '0736', $7.99,  $4000.00, 10, 3336,'Note 3','06/12/91')
5> insert titles values ('4', 'Prolonged', 'psychology',   '0736', $19.99, $2000.00, 10, 4072,'Note 4','06/12/91')
6> insert titles values ('5', 'With',      'business',     '1389', $11.95, $5000.00, 10, 3876,'Note 5','06/09/91')
7> insert titles values ('6', 'Valley',    'mod_cook',     '0877', $19.99, $0.00,    12, 2032,'Note 6','06/09/91')
8> insert titles values ('7', 'Any?',      'trad_cook',    '0877', $14.99, $8000.00, 10, 4095,'Note 7','06/12/91')
9> insert titles values ('8', 'Fifty',     'trad_cook',    '0877', $11.95, $4000.00, 14, 1509,'Note 8','06/12/91')
10> GO

(1 rows affected)

(1 rows affected)

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1>
2> CREATE TABLE authors(
3>    au_id          varchar(11),
4>    au_lname       varchar(40)       NOT NULL,
5>    au_fname       varchar(20)       NOT NULL,
6>    phone          char(12)          NOT NULL DEFAULT ('UNKNOWN'),
7>    address        varchar(40)           NULL,
8>    city           varchar(20)           NULL,
9>    state          char(2)               NULL,
10>    zip            char(5)               NULL,
11>    contract       bit               NOT NULL
12> )
13> GO
1> insert authors values('1',  'Joe',   'Abra',   '111 111-1111', '6 St.', 'Berkeley',  'CA', '11111', 1)
2> insert authors values('2',  'Jack',  'Majo',   '222 222-2222', '3 St.', 'Oakland' ,  'CA', '22222', 1)
3> insert authors values('3',  'Pink',  'Cherry', '333 333-3333', '5 Ln.', 'Vancouver', 'BC', '33333', 1)
4> insert authors values('4',  'Blue',  'Albert', '444 444-4444', '7 Av.', 'Vancouver', 'BC', '44444', 1)
5> insert authors values('5',  'Red',   'Anne',   '555 555-5555', '6 Av.', 'Regina',    'SK', '55555', 1)
6> insert authors values('6',  'Black', 'Michel', '666 666-6666', '3 Pl.', 'Regina',    'SK', '66666', 1)
7> insert authors values('7',  'White', 'Sylvia', '777 777-7777', '1 Pl.', 'Rockville', 'MD', '77777', 1)
8> insert authors values('8',  'Yellow','Heather','888 888-8888', '3 Pu',  'Vacaville', 'CA', '88888', 0)
9> insert authors values('9',  'Gold',  'Dep',    '999 999-9999', '5 Av.', 'Oakland',   'CA', '99999', 0)
10> insert authors values('10', 'Siler', 'Dean',   '000 000-0000', '4 Av.', 'Oakland',   'CA', '00000', 1)
11> GO

(1 rows affected)

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1>
2> CREATE TABLE titleauthor(
3>    au_id          varchar(20),
4>    title_id       varchar(20),
5>    au_ord         tinyint               NULL,
6>    royaltyper     int                   NULL
7> )
8> GO
1>
2> insert titleauthor values('1', '2', 1, 60)
3> insert titleauthor values('2', '3', 1, 100)
4> insert titleauthor values('3', '4', 1, 100)
5> insert titleauthor values('4', '5', 1, 100)
6> insert titleauthor values('5', '6', 1, 100)
7> insert titleauthor values('6', '7', 2, 40)
8> insert titleauthor values('7', '8', 1, 100)
9> insert titleauthor values('8', '9', 1, 100)
10> GO

(1 rows affected)

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1>
2>      SELECT    a.au_lname, tt.title
3>      FROM      authors a JOIN
4>                (SELECT title, au_id FROM titleauthor ta
5>                JOIN titles t ON t.title_id = ta.title_id) tt
6>                ON a.au_id = tt.au_id
7> GO
au_lname                                 title
---------------------------------------- --------------------------------------------------------------------------------
Joe                                      The
Jack                                     Emotional
Pink                                     Prolonged
Blue                                     With
Red                                      Valley
Black                                    Any?
White                                    Fifty

(7 rows affected)
1>
2>
3> drop table titleauthor;
4> drop table authors;
5> drop table titles;
6> GO
1>








8.3.Inline view
8.3.1.Creating a Derived Table
8.3.2.Subqueries and Derived Tables
8.3.3.SELECT FROM (query that returns a regular result set) AS JOIN
8.3.4.A query that required a derived table.
8.3.5.In-Line Views (Derived Tables)
8.3.6.A query that uses a correlated subquery in its SELECT clause to retrieve the most recent Billing for each Banker
8.3.7.Queries in the FROM Clause
8.3.8.Select from nested select statements
8.3.9.Join with (inline)Table Expressions
8.3.10.Finding First Employee Using a Derived Table