What is cardinality in SAP BO?
Cardinality is a property of a join that describes how many rows in one table match rows in another table. and it’s expressed as the minimum and maximum number of rows in a column at one end of a join that have matching rows in the column at the other end of the join.
What is cardinality in SAP HANA?
SAP HANA features like Calculation Views and CDS allow to specify the cardinality for joins to improve the performance of the execution. The cardinality specifies the number of rows which are matching another table if these tables are joined. With SPS04, this feature is also possible in plain SQL.
How do you assign a table to text in SAP?
SAP text table create
- Step 1 – Create your ID table via SE11.
- Step 2 – Create your text table via SE11.
- Step 3 – Add foreign keys for MANDT & SPRAS to text table.
- Step 4 – Add foreign keys for your table ID.
- Step 5 – Save and Activate.
- Step 6 – Test.
What is optimize join in Hana?
While executing the join, by default, the query retrieves join columns from the database even if you don’t specify it in the query. The query automatically includes the join columns into the SQL GROUP BY clause without you selecting them in the query.
What is cardinality of table?
In SQL (Structured Query Language), the term cardinality refers to the uniqueness of data values contained in a particular column (attribute) of a database table. The lower the cardinality, the more duplicated elements in a column.
What is SAP Business Objects universe?
A SAP Business Objects Universe functions as a semantic layer and can be situated between the technical oriented database – often the data warehouse – and its business users. This layer is presented in a Universe by the use of classes and objects.
How do you open the universe in the universe design tool?
Using Connection Wizard You can open connection wizard by clicking on New button in the New Universe creation page or you can navigate to Tools → Connections. Click Add in the “Wizard Connection” dialog box. Select Secured for controlled access to the connection (recommended).
How do I export universe in universe design tool?
To publish universe, go to File → Export and select available domain from the list. When Universe is created using a connection pointing to a database, you can create schema and click on Save button to save universe.
How do you create a hierarchy in Bo universe?
Hierarchies and Drilling in BO report
- To create hierarchies, go to Tools – Hierarchies.
- To meet with user requirement we have to create custom hierarchies.
- Note: If you can add multiple Classes into customer Hierarchies.
- There are three type of drilling.
What is difference between domain and data?
The domain is used for the technical definition of a table field such as field type and length, and the data element is used for the semantic definition (short description). A data element describes the meaning of a domain in a certain business context.