What is InfoCube compression?

What is InfoCube compression?

Compression is a method in order to compress the data in the fact table. When the user performs compression all the request IDs are deleted and the data transferred into the E table. There can be some data with same characteristic combination and with different Request IDs, these data records can be compressed.

What is an InfoCube SAP?

Advertisements. An InfoCube is defined as a multidimensional dataset which is used for analysis in a BEx query. An InfoCube consists of a set of relational tables which are logically joined to implement the star schema. A fact table in the star schema is joined with multiple dimension tables.

How do you load data on real time InfoCube?

Real-time InfoCubes can be filled with data using two different methods: Using the transaction for entering planning data and using BW staging, in which case planning data cannot then be loaded simultaneously. You have the option to convert a real-time InfoCube.

How do you display data in InfoCube?

if you want to see data at infocube level, rightclick on Infocube and choose ‘Display data’ from menu.

What is the use of compression in SAP BW?

During the compression BW moves data from the normal F-table to the compressed E-Table. By choice the compression can be all or only part of the requests that have been loaded. The OLAP processor is automatically combining the E and F table during the query.

What is rollup in SAP BW?

To provide the aggregate/BWA index with the new data from the InfoCube, you must first load the data into the aggregate/BWA index tables/indexes at a time which you can set. This process is known as a Rollup. Even though it mainly mentions BWA, most of it can also be applied to the creation of rollup to aggregates.

What is Hana optimized infocube?

The SAP HANA-optimized InfoCube is a standard InfoCube that is optimized for use with SAP HANA. When you create SAP HANA-optimized InfoCubes, you can assign characteristics and key figures to dimensions. The system does not create any dimension tables apart from the package dimension however.

What is Hana optimized InfoCube?

What is the use of InfoCube in SAP BW?

an InfoCube is a multidimensional data structure and a set of relational tables that contain InfoObjects. n Master Data Tables are time dependent and can be shared by multiple InfoCubes. Master data table contains Attributes that are used for presenting and navigating reports in SAP(BW) system.

What is roll up in InfoCube?

When you load new data packages (requests) into the InfoCube, these are not immediately available in reporting for use in an aggregate. In order to supply the aggregate with the new InfoCube data, you first have to load these into the aggregate tables for a set time frame. This process is known as roll up.

What is the use of aggregates in SAP BW?

Aggregates allow you to improve the performance of BEx queries when data is read from an InfoCube. An aggregate is a materialized view on a subset of an InfoCube. It can contain characteristics and navigational attributes and can be restricted to fixed values (F) and hierarchy levels (H).

When should a DSO be used?

1. If your data source doesn’t support delta, you need to use DSO in your data flow. when data source doesn’t support delta, we need to run full info pack and full dtp to targets. if we use dso between ds and cube, from dso to cube we can load delta dtp.

How do you load data from DSO to InfoCube?

1) Delete the contents from CUBE. 2) Delete the contents from DSO. 3) Use DTP to load data from PSA to DSO ( select extraction mode as delta and in the below select “get all data request by request”), If you don’t have huge data then “get all data request by request” option is not required.

What should you do after an InfoCube is converted to be SAP HANA-optimized?

Procedure

1. You are in the InfoCube editing screen. Choose. Goto. Conversion to SAP HANA-Optimized. . The InfoCube you want to edit is displayed.
2. Call transaction RSMIGRHANADB directly.

Which Hana compression types exist?

Compression Techniques in SAP HANA

• Dictionary Compression. Dictionary compression is a standard compression method to reduce data volume in the main memory.
• Prefix Encoding Compression.
• Run-length Encoding Compression.
• Cluster Encoding Compression.
• Indirect Encoding Compression.
• Sparse Encoding Compression.

What is aggregate in SAP BW?

An aggregate is a materialized, aggregated view of the data in an InfoCube. In an aggregate, the dataset of an InfoCube is saved redundantly and persistently in a consolidated form on the database. Aggregates allow quick access to InfoCube data during reporting.

What is rollup SAP?

To provide the aggregate/BWA index with the new data from the InfoCube, you must first load the data into the aggregate/BWA index tables/indexes at a time which you can set. This process is known as a Rollup.

What are InfoCube aggregates?