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upaidentificador2.crqhpy7ee5r1.sa-east-1.rds.amazonaws.com
nc -zv rdsindentirmysql.crqhpy7ee5r1.sa-east-1.rds.amazonaws.com 3306
profesional3
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57. !! 0#/.D.&() .$D#)9(&.G$
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?
!! B+.9.$($/#*)%F.,')#H,I %,;%&.D.&#H,I
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58. ,+#!&0(./$$!G&#!&0'.(
!! 2.$'(5., CJ,.&(
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59. ,+#!&0(./$$!G&#/H*+('
Permite actualizar los datos en una base de
datos SQL. Con la instrucción UPDATE se
pueden modificar datos en una o más filas para
una o más columnas.
!! 2.$'(5., CJ,.&(
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60. ,+#!&0(./$$!G&#*','('
Contiene solamente dos cláusulas, y una sola de ellas es obligatoria.
Si no se incluye una cláusula WHERE en la instrucción DELETE,
todas las filas serán eliminadas de la tabla especificada. Es importante
comprender que la instrucción DELETE no elimina la tabla en sí, sino
solamente filas en la tabla.
!! 2.$'(5., CJ,.&(
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;9>A>&0T,C3+T+]C&31&D^#$(13)4 ?
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61. >?1./%#0".&$&1"#2#"#/!.$-
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62. Para hacer un manejo más adecuado sobre tablas relacionadas, se
pueden crear las siguientes restricciones al momento de eliminar y/o
actualizar. Si se utilizan ambas opciones al mismo tiempo, primero
debemos ingresar ON DELETE y posteriormente ON UPDATE:
/01234 56718201234
&F'"$D$B$'*$+B*#(B''
&F'GH")B$ *$+B*#(B
$>'09'12=7I6'213'E.J.=;1K'61'2.3L7;.'09'.07L769=7I6''
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63. ,.12)- 8 *)(+1-, ; #,0&"+1!7)(
!
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!
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Base de datos de
origen
Tareaen la instancia
de replicación
Base de datos de
destino

64. .*('> #"(,('*)'%(,

65. .*('> #"(,('*)'%(,

66. .*('> #"(,('*)'%(,

67. Formando líderes para la construcción
de un nuevo país en paz