What is type 2 in data warehouse?
What is type 2 in data warehouse?
Type 2 – This is the most commonly used type of slowly changing dimension. For this type of slowly changing dimension, add a new record encompassing the change and mark the old record as inactive.
What is a type 3 table?
A Type 3 SCD stores two versions of values for certain selected level attributes. Each record stores the previous value and the current value of the selected attribute. When the value of any of the selected attributes changes, the current value is stored as the old value and the new value becomes the current value.
What is type 0 table?
A type 0 Attribute is: a column with fixed value in type 2 dimension. It is of course possible to have a type 0 attribute in a type 1 dimension. An example of a type 0 attribute in a type 2 dimension: in the source system we have a customer table with 10 columns, plus 1 column: Created Date.
What is SAP Change document?
A change document logs changes to a commercial object. The document is created independently of the actual database change. The change document structure is as follows: Change document header. The header data of the change to an object ID in a particular object class are stored in the change document header.
What is surrogate key in data warehouse?
Surrogate keys are typically meaningless integers used to connect the fact to the dimension tables of a data warehouse. There are various reasons why we cannot simply reuse our existing natural or business keys. Without surrogate keys, the fact table would contain 300,000 business key values.
What is FB02 SAP?
FB02 (Change Document) is a standard SAP transaction code available within R/3 SAP systems depending on your version and release level.
Why is surrogate key used?
Software developers often use surrogate keys to business users to identify records. They are displayed on screens and printed on reports. However, surrogate keys are meaningless. They serve no purpose, except to technically identify a record uniquely in one source system.
How to create a transaction variant in shd0?
This is done in the transaction SHD0 . Give an appropriate name for your transaction variant. In the initial screen of SHD0, provide the name of the standard transaction ( PA20 in our example) and the name of the variant to be created (for example, ZPA20_1 ).
Which is transaction code used for display change document objects in SAP?
As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).SCDO is a transaction code used for Display Change Document Objects in SAP.
How to create a change document in scdo?
Go to SCDO and create a Change Document Object (Choose Yes for opening Namespace Pop-ups) Insert the entries and choose Utilities → Generate update pgm. In the opening pop-up, give function group name (it will be created if it doesn’t exist) and generate the update program for the object by clicking Activate.