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Banesco Basico DataStage DIA 02 datastage chapter 2
Banesco Basico DataStage DIA 02 datastage chapter 2
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Sep 16, 2025
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About This Presentation
chapter 2.1 datasgate
Size:
5.22 MB
Language:
es
Added:
Sep 16, 2025
Slides:
115 pages
Slide Content
Slide 1
© 2019 IBM Corporation
BÁSICO DE PARALLEL JOBS
DIA 02
Slide 2
© 2019 IBM Corporation2
Agenda DataStageDia 02
•Selección y Filtros de Datos
•Stages: Switch, RemoveDuplicates, Filter, Modify, PivotEmpresarial.
•Clasificación
•Stage: Sort
•Funciones Dinámicas sobre Columnas
•Stage: Aggregator.
•Transformaciones
•Stage: Transformer
•Invocacion de Funciones
Parte 2
Slide 3
© 2019 IBM Corporation3
SELECCIÓN Y FILTRO DE DATOS
Switchstage
Slide 4
© 2019 IBM Corporation4
Switch Stage
•The Switch stage is a processing stage that takes a single data
set as input and assigns each input row to an output data set
based on the value of a selector field
•Single input link ; 128 Output links
•Rowsthatsatisfynoneofthecases are output ontherejectlink
•OnPropertiesTab, youcan perform:
✓User-definedMapping
✓Auto
✓Hash
Slide 5
© 2019 IBM Corporation5
Switch Stage
Slide 6
© 2019 IBM Corporation6
Propiedades
Slide 7
© 2019 IBM Corporation7
Salida varias con Rechazo
Slide 8
© 2019 IBM Corporation8
SELECCIÓN Y FILTRO DE DATOS
RemoveDuplicatestage
Slide 9
© 2019 IBM Corporation9
Removiendo Duplicados
Slide 10
© 2019 IBM Corporation10
Stage Remover Duplicados
Slide 11
© 2019 IBM Corporation11
Propiedades Stage Remover Duplicados
Slide 12
© 2019 IBM Corporation12
SELECCIÓN Y FILTRO DE DATOS
Filterstage
Slide 13
© 2019 IBM Corporation13
•This stage transfers, unmodified, the records of the input data set
which satisfy the specified requirements and filters out all other
records
•Single input link ; AnynumberOutput links; Onlyonereject
•OnPropertiesTab, youcan performpredicates:
✓Where(conditional)
✓Output Link
•Options:
✓Outputs reject
✓Output RowOnlyOnce
Filter Stage
Slide 14
© 2019 IBM Corporation14
Filtro con dos condiciones
Slide 15
© 2019 IBM Corporation15
Filtro con dos condiciones y un rechazo
Slide 16
© 2019 IBM Corporation16
Propiedades del Filtro
Slide 17
© 2019 IBM Corporation17
Salidas definidas con sus columnas
Slide 18
© 2019 IBM Corporation18
SELECCIÓN Y FILTRO DE DATOS
Modifystage
Slide 19
© 2019 IBM Corporation19
•The Modify stage alters the record schema of its input data set.
The modified data set is then output
•Single input link ; Single Output link
•OnPropertiesTab, youcan perform:
✓DROP columnname
✓KEEP columnname
✓Change typeofcolumnonnew column
✓Change nullcolumnwithhandle_null(column)
Slide 20
© 2019 IBM Corporation20
Stage Modificar
Slide 21
© 2019 IBM Corporation21
Indicar columnas en DROP o KEEP
DROP
COLUMN
Slide 22
© 2019 IBM Corporation22
En la Salida ya no ven la columna
Slide 23
© 2019 IBM Corporation23
SELECCIÓN Y FILTRO DE DATOS
PivotEnterprise Stage
Slide 24
© 2019 IBM Corporation24
Pivot Enterprise Stage
•Properties:
✓Pivot Type = Vertical
•Single input link ; Single Output link
•Verticalpivotingmapsasetofrowsintheinputdatatosingleor
multipleoutputcolumns.Thearraysizedeterminesthenumberof
rowsintheoutputdata.Theoutputdataoftheverticalpivot
actiontypicallyhasmorecolumns,butfewerrowsthantheinput
data
OR
•Properties:
•Pivot Type = Horizontal
•Single input link ; Single Output link
•Horizontalpivotingmapsasetofcolumnsinaninputrowtoa
singlecolumninmultipleoutputrows.Theoutputdataofthe
horizontalpivotactiontypicallyhasfewercolumns,butmorerows
thantheinputdata.Withverticalpivoting,youcanmapseveral
setsofinputcolumnstoseveraloutputcolumns
Slide 25
© 2019 IBM Corporation25
Pivot Enterprise
Slide 26
© 2019 IBM Corporation26
Pivote Vertical Datos de Entrada
Slide 27
© 2019 IBM Corporation27
Columnas Entrada Pivote Vertical
Solo de lectura
Slide 28
© 2019 IBM Corporation28
Columnas de la salida deseada
Slide 29
© 2019 IBM Corporation29
Mapping
Slide 30
© 2019 IBM Corporation30
Salida mostrada con Stage Peak
Slide 31
© 2019 IBM Corporation31
Pivote Horizontal Datos de Entrada
Slide 32
© 2019 IBM Corporation32
Pivote Vertical Datos de Entrada
Columnas Entrada Pivote Horizontal
Slide 33
© 2019 IBM Corporation33
Columnas Entrada Pivote Horizontal
Solo de lectura
Slide 34
© 2019 IBM Corporation34
Columnas de la salida deseada
Slide 35
© 2019 IBM Corporation35
Mapping
Slide 36
© 2019 IBM Corporation36
Salida mostrada con Stage Sequencial File
Slide 37
© 2019 IBM Corporation37
CLASIFICACION
Sortstage
Slide 38
© 2019 IBM Corporation38
Clasificando Datos
Slide 39
© 2019 IBM Corporation39
Alternativas Para Clasificación
Slide 40
© 2019 IBM Corporation40
Clasificación In-Stage
Slide 41
© 2019 IBM Corporation41
Ejemplo de Stable Sort
Slide 42
© 2019 IBM Corporation42
Stage Sort Tab Properties
Slide 43
© 2019 IBM Corporation43
Especificando Claves de Clasificación
Slide 44
© 2019 IBM Corporation44
Opciones de Clasificación
Slide 45
© 2019 IBM Corporation45
Crear Cambio en Columna Clave
Slide 46
© 2019 IBM Corporation46
Partitions Sort
Slide 47
© 2019 IBM Corporation47
CLASIFICACION
Aggregatorstage
Slide 48
© 2019 IBM Corporation48
Stage Aggregator
Slide 49
© 2019 IBM Corporation49
Ejemplo de Stage Aggregator
Slide 50
© 2019 IBM Corporation50
Tipos de Agregaciones
Slide 51
© 2019 IBM Corporation51
Tipo de Agrgación Conteo de Filas
Slide 52
© 2019 IBM Corporation52
Salida Tab Mapping
Slide 53
© 2019 IBM Corporation53
Salida Columns Tab
Slide 54
© 2019 IBM Corporation54
Tipos de Cálculo de Agregación
Slide 55
© 2019 IBM Corporation55
Métodos de Agrupación
Slide 56
© 2019 IBM Corporation56
Método = Hash
Slide 57
© 2019 IBM Corporation57
Método = Sort
Slide 58
© 2019 IBM Corporation58
TRANSFORMACIONES
Transformerstage
Slide 59
© 2019 IBM Corporation59
Stage Transformer
Slide 60
© 2019 IBM Corporation60
Ejemplo de Stage Transformer
Slide 61
© 2019 IBM Corporation61
Dentro del Stage Transformer
Slide 62
© 2019 IBM Corporation62
Elementos del Stage Transformer
Slide 63
© 2019 IBM Corporation63
Elementos del Stage Transformer (continuación)
Slide 64
© 2019 IBM Corporation64
Constraints
Slide 65
© 2019 IBM Corporation65
Constraints
Slide 66
© 2019 IBM Corporation66
Ejemplo de Constraints
Slide 67
© 2019 IBM Corporation67
Definiendo un constraint
Slide 68
© 2019 IBM Corporation68
Usando el editor de Expresiones
Slide 69
© 2019 IBM Corporation69
Otherwise links para integridad de data
Slide 70
© 2019 IBM Corporation70
Ejemplo Otherwise Link
Slide 71
© 2019 IBM Corporation71
Especificando el ordenamiento del link
Slide 72
© 2019 IBM Corporation72
Especificar el Link Otherwise
Slide 73
© 2019 IBM Corporation73
Agenda DataStage
•Trabajando con Datos Relacionales
•Fuentes Base de Datos
•Mejores prácticas en DataStage
•Nomenclatura de Jobs y Stages
•Nomenclatura de Links
•Volúmenes de Proceso en StagesLookupy Join
•Consideraciones de Performance
Parte 1
Slide 74
© 2019 IBM Corporation74
TRABAJANDO DATOS RELACIONALES
Connectores(Stages)
Slide 75
© 2019 IBM Corporation75
Especificar el Link Otherwise
Importar definiciones de tablas de BD
Slide 76
© 2019 IBM Corporation76
Importando definiciones de tablas
Slide 77
© 2019 IBM Corporation77
Orquestar importacion
Slide 78
© 2019 IBM Corporation78
ODBC Importacion
Slide 79
© 2019 IBM Corporation79
Especificar el Link Otherwise
Stages Connector
Slide 80
© 2019 IBM Corporation80
Stages Connector
Slide 81
© 2019 IBM Corporation81
Leyendo desde tablas de bases de datos
Slide 82
© 2019 IBM Corporation82
Stage Connector GUI
Slide 83
© 2019 IBM Corporation83
Panel Navegación
Slide 84
© 2019 IBM Corporation84
Propiedades Conexiones
Slide 85
© 2019 IBM Corporation85
Propiedades de Uso –Generar SQL
Slide 86
© 2019 IBM Corporation86
Propiedades de Uso -Transacciones
Slide 87
© 2019 IBM Corporation87
Propiedades de Uso –antes/después SQL
Slide 88
© 2019 IBM Corporation88
Escribiendo a tablas de bases de datos
Slide 89
© 2019 IBM Corporation89
DB2 Connector GUI
Slide 90
© 2019 IBM Corporation90
Propiedades Conector Write
Slide 91
© 2019 IBM Corporation91
MEJORES PRACTICAS EN DATASTAGE
Nomenclatura de Jobs y Stages
Slide 92
© 2019 IBM Corporation92
Estructura de Proyecto
Slide 93
© 2019 IBM Corporation93
Estructura de Proyecto
Slide 94
© 2019 IBM Corporation94
Nomenclatura de Jobs
Slide 95
© 2019 IBM Corporation95
Nomenclatura de Jobs, continuación
Slide 96
© 2019 IBM Corporation96
Nomenclatura de Stages
Slide 97
© 2019 IBM Corporation97
Nomenclatura de Stages, continuación
Slide 98
© 2019 IBM Corporation98
Nomenclatura de Stages, continuación
Slide 99
© 2019 IBM Corporation99
Nomenclatura de Stages, continuación
Slide 100
© 2019 IBM Corporation100
MEJORES PRACTICAS EN DATASTAGE
Nomenclatura de Links
Slide 101
© 2019 IBM Corporation101
Nomenclatura de Links
Slide 102
© 2019 IBM Corporation102
MEJORES PRACTICAS EN DATASTAGE
Volúmenes de Proceso en StagesLookupy Join
Slide 103
© 2019 IBM Corporation103
Volúmenes de Proceso en Stages Lookup y Join
Slide 104
© 2019 IBM Corporation104
MEJORES PRACTICAS EN DATASTAGE
Consideraciones de Performance
Slide 105
© 2019 IBM Corporation105
Consideraciones de Performance
Slide 106
© 2019 IBM Corporation106
Consideraciones de Performance
Slide 107
© 2019 IBM Corporation107
Consideraciones de Performance
Slide 108
© 2019 IBM Corporation108
Consideraciones de Performance
Slide 109
© 2019 IBM Corporation109
Consideraciones de Performance
Slide 110
© 2019 IBM Corporation110
Consideraciones de Performance
Slide 111
© 2019 IBM Corporation111
Consideraciones de Performance
Slide 112
© 2019 IBM Corporation112
Consideraciones de Performance
Por cada partición
Slide 113
© 2019 IBM Corporation113
MEJORES PRACTICAS
Referencias
Slide 114
© 2019 IBM Corporation114
Referencias
Consideren la recomendaciones sobre los stagesque se mencionan
en el siguiente RedBook:
InfoSphereDataStage Parallel Framework
Standard Practices
Bajénlode éstelink:
http://www.redbooks.ibm.com/redbooks/pdfs/sg247830.pdf
Slide 115
© 2019 IBM Corporation115
Gracias.
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