ETL开发指南(DataStage_EE)V2.0
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DataStage Enterprise
Edition
开发指南v2.0
DataStage EE开发指南
目 录
目 录 .................................................................................................................................................. I
1. 引言 ..................................................................................................................................................... 1
1.1 编写目的 ....................................................................................................................................... 1
1.2 帮助使用 ....................................................................................................................................... 1
2. 产品概述 ............................................................................................................................................. 2
3. 常规应用 ............................................................................................................................................. 3
3.1 常用组件使用方法 ....................................................................................................................... 3
3.1.1 Sequential file .......................................................................................................................... 3
3.1.2 Annotation ............................................................................................................................... 7
3.1.3 Change Capture Stage ............................................................................................................. 8
3.1.4 Copy Stage ............................................................................................................................ 10
3.1.5 Filter Stage ............................................................................................................................ 11
3.1.6 Funnel Stage .......................................................................................................................... 12
3.1.7 Tansformer Stage .................................................................................................................. 13
3.1.8 Sort Stage .............................................................................................................................. 14
3.1.9 LookUp Stage ........................................................................................................................ 15
3.1.10 Join Stage ............................................................................................................................ 16
3.1.11 LookUp Stage 和 Join Stage的区别 ................................................................................. 17
3.1.12 Merge Stage ........................................................................................................................ 18
3.1.13 Modify Stage ....................................................................................................................... 19
3.1.14 Data Set Stage ..................................................................................................................... 20
3.1.15 File Set Stage ....................................................................................................................... 22
3.1.16 Lookup File Set Stage ......................................................................................................... 23
3.1.17 Oracle Enterprise Stage ....................................................................................................... 26
3.1.18 Aggregator Stage ................................................................................................................. 28
3.1.19 Remove Duplicates Stage .................................................................................................... 30
3.1.20 Compress Stage ................................................................................................................... 31
3.1.21 Expand Stage ....................................................................................................................... 32
3.1.22 Difference Stage .................................................................................................................. 33
3.1.23 Compare Stage .................................................................................................................... 36
3.1.24 Switch Stage ........................................................................................................................ 37
3.1.25 Column Import Stage .......................................................................................................... 39