How do I use Copy stage in DataStage?
The Copy stage copies a single input data set to a number of output data sets. Each record of the input data set is copied to every output data set….Copy stage
- Stage Page. This is always present and is used to specify general information about the stage.
- Input Page.
- Output Page.
Which stages are used to filter the data in DataStage?
The Filter stage is a processing stage. This stage transfers, unmodified, the records of the input data set which satisfy the specified requirements and filters out all other records….Output Page.
- Specifying the filter.
- Filter stage: fast path.
- Filter stage: Stage page.
- Filter stage: Input page.
- Filter stage: Output page.
What are the functions of merge stage?
The Merge stage combines a master data set with one or more update data sets. The columns from the records in the master and update data sets are merged so that the output record contains all the columns from the master record plus any additional columns from each update record that are required.
What is lookup Datastage?
The Lookup stage is a processing stage that is used to perform lookup operations on a data set read into memory from any other Parallel job stage that can output data.
What is merge in Datastage?
Merge stage combines a mster dataset with one or more update datasets based on the key columns. the output record contains all the columns from master record plus any additional columns from each update record that are required. A master record and update record will be merged only if both have same key column values.
What is the difference between join and lookup?
A joiner is used to join data from different sources. lookup is used to get related values from another table or check for updates etc in the target table.
How do I create a custom column in power query?
Add a custom column (Power Query)
- To open a query, locate one previously loaded from the Power Query Editor, select a cell in the data, and then select Query > Edit.
- Select Add Column > Custom Column.
- Enter a new column name.
What is the method of removing duplicates without the remove duplicate stage?
How do you remove duplicates without using remove duplicate stage?
- Load different data files in single target table.
- Single row converted into multiple rows using transformer stage.
- Duplicate record in datastage.
- Oracle connector stage and Oracle enterprise satge.
- Delete duplicates using transformer.
What is the difference between Lookup and join?
What is the copy stage in a data structure?
The Copy stage copies a single input data set to a number of output data sets. Each record of the input data set is copied to every output data set.
How do I specify the output of the copy stage?
In the Output page, you can specify details about data output from the Copy stage. The tabs in this stage allow you to specify an optional description and the relationship between the columns being input and the Output columns. You can change the default buffer settings for the output link and view the column definitions.
What is a copy stage in SMP?
The Copy stage is a processing stage. The Copy stage copies a single input data set to a number of output data sets. Some SMP systems allow scalability of disk I/O. The Copy stage is a processing stage. It can have a single input link and any number of output links.
What do the tabs in the output stage do?
The tabs in this stage allow you to specify an optional description and the relationship between the columns being input and the Output columns. You can change the default buffer settings for the output link and view the column definitions.