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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."