The SAP HANA database is a hybrid in-memory database that combines row-based, column-based, and object-based database technology.
It is optimized to exploit the partial processing capabilities of modem multi-core / CPU architectures. With this architecture, SAP applications can benefit from current bar-down technologies.
The SAP HANA database is the heart of SAP’s in-memory technology offering, helping customers to improve their operational efficiency, agility, and flexibility.
SAP HANA Information Composer is a Web-Based Environment that allows business users to upload data to the SAP HANA database and manipulate that data by creating information values.
The main features of Information Composer are as follows
Data acquisition
You can upload the data, preview, and cleanse this data, and create a physical table in the SAP HANA database.
Data Manipulation
You can select two objects in the SAP HANA database, combined them, add calculated fields, and create an informed view that can be consumed by SAP Bo tools.
BUSINESS / INTELLIGENCE
(Business Objects) – It is a reporting tool for generating reports from views provided by the HANA Information Composer studio.
We can generate reports from views in two ways
Direct Accessing views for crystal reports, Advanced Analysis, Explorer, Webi4.0, SAP Real-time Salaries
We can create UDT or IDT (Universe Design tool, Information Design tool) first and then create reports.
Here we can perform modelling & administration on data that is available in HANA DB and produce views that are used to create reports and to build a dashboard in the SAP BO tool
Pre-requisite
SAP HANA Hardware
Multicore Architecture/HANA DB
SAP HANA Software
In-Memory Computing Engine Algorithm (Row/Column/Object)
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| SQL DB | HANA DB |
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Advantages of Column level stage
Sligh data compression rate
Sligh performance on column operation
Elimination of Traditional materialized view concept
Elimination of unnecessary index
| Normal DBH/W | HANA H/W |
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In the HANA Table schema, we have not only a table but also views
In the Analytical view, Attribute view, and calculated view these are surrounded by tables and view
Role of HANA studio in HANA Database System
It helps us to create analytically, calculate views
HANA studio also helps us to do the turning of SQL Query & support for ANSI SQL
Initially the Data ERP BW Mixed Source
Replicated (With Initial data volumes and lock) – It is mapped to the HANA DB persistence layer
When we load all data into memory and log volume data will be loaded into paging memory with the help of the HANA Management System
Once the data is loaded into cache memory we will prepare data stores (row/column/object)
These data stores can be optimized.
They can also use standard SQL Statements & scripts to optimize. For that, this is given to HANA studio by request parser to prepare the views (Analytical / Attribute / Calculated views)
We can maintain these views & Datastore in HANA metadata Manager which is given to the reporting analysis
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HANA Landscape has got different levels in different phases
Database Development
At the DB level we define security for views & tables in terms of database repository owners' authorization for networks
To prepare and process the view, accessing metadata manager, accessing request parser, and authorization to add data services as an external system in HANA studios.
Authorization for HANA ODBC.
Authorization to create a semantic layer using HANA DB.
Authorization in accessing HANA Views, UNX files (4.0) in generating BO Business Intelligence
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