What is CDC in SAP bods?
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What is CDC in SAP bods?
Source-based CDC evaluates the source table to determine, what record has changed and extracts only changed records to load into target tables. Target-based CDC extracts all the data from the source, compares the source and target rows using table comparison and then loads only the changed rows into the target system.
What is MAP CDC operation transform in SAP bods?
The Map CDC Operation is used to read log tables/files where each change (insert/update/delete) is saved. In the flow we therefore need to map all rows logged as insert to an insert, all updates to update and the deletes to delete.
What is CDC in SAP HANA?
Changing Data Capture (CDC) | SAP Help Portal.
What does SAP bods stand for?
Business Object Data Services
Business Object Data Services (BODS) is a GUI tool which allows you to create and monitor jobs which take data from various types of sources and perform some complex transformation on the data as per the business requirement and then will load the data to a target which again can be of any type (i.e. SAP application.
What is massive parallel processing in SAP HANA?
SAP HANA is a massively parallel (distributed) data management system that runs fully in main memory, allowing for row- and column based storage options, and supporting built-in multitenancy. SAP HANA serves as a foundation to develop future in-memory analytic and transactional applications.
Is SAP HANA real time?
SAP HANA Streaming Analytics is capable of much much more than just simple data ingestion: SAP HANA streaming analytics processes streams of incoming event data in real time and collects and acts on this information.
What is SAP bods job?
You can create real time jobs to process real time messages in Data Services designer. Like a batch job, real time job extracts the data, transforms and loads it. Each real time job can extract data from a single message. You can also extract data from other sources like tables or files.
What is the difference between Delta load and full load?
Full load is when you load data into BI for the first time i.e. you are seeding the destination BI object with initial data. A delta data load means that you are either loading changes to already loaded data or add new transactions.
What is the difference between Delta load and incremental load?
Incremental load: delta between target and source data is dumped at regular intervals….ETL Load.
| Full load | Incremental load | |
|---|---|---|
| Rows sync | All rows in source data | New and updated records only |
| Time | More time | Less time |
| Difficulty | Low | High. ETL must be checked for new/updated row. Recovery from an issue is harder |
Which is most widely used transform in bods?
Row-by-row select option is best if the target table is large compared to the number of rows the transform will receive as input.
What is MAP operation in SAP bods?
The ‘Map_Operation’ transform allows you to change operation codes on data sets to produce the desired output. For example, if a row in the input data set has been updated in some previous operation in the data flow, you can use this transform to map the UPDATE operation to an INSERT.
