1

Introduccin a SQL

Objetivos

2

SELECTS con Equijoin

!

"##

$%&

'!()$%&

!$$*&&+

Productos Cartesianos

,- .

###

/. !

3

Ejemplo Equijoin

..0%

.0%

.0%

0%

0

'!().%

!.0 *

0+

Usando Aliases para Tablas

.0%0%0%

0%

0

'!().% !0 *0+

4

SELECTS con Nonequijoin

"#"#

0%.%

"#0

'!().%"0#"

!.12

"30 425"/#/0+

SELECTS con Outerjoins

,(6 7#

(" #

89:;

#("

$%&'!()$%& !$9:;*&+

$%&'!()$%& !$ *&9:;+

5

Usando OuterJoins

0%

0%

0

'!().%

!09:;*0+

SELECTS con Selfjoins

," .

6

Prctica

$ .#%B.

& B

CD

C .#%%E57.#

5#.

B

F .#%"%B."