SAP HANA Basis Sanyasi

What is SAP R/3? SAP R/3 is a 3 tier architecture consisting of 3 layers Presentation Application Database In simple words, it’s a client server architecture. R  signifies Real-time system 3  represents – 3-tier architecture. User’s PC:-  Users can access SAP system in two ways:- Through SAP GUI Through Web browser It’s called front-end. Only the front-end is installed in the user’s PC not the application/database servers. Front-end takes the user’s requests to database server and application servers. Application Servers: –  Application server is built to process business-logic. This workload is distributed among multiple application servers. With multiple application servers, the user can get the output more quickly. Application server exists at a remote a location as compared to the location of the user PC. Database Server: – Database server stores and retrieves data as per  SQL  queries generated by ABAP and  Java  applications. Database and Ap...

This chapter explains the following topics − the role of a BASIS Administrator , tasks related to SAP BASIS Administration , and categorization of SAP Administrative tasks. We can subdivide the roles of a SAP BASIS Consultant into the following categories − Server Administrator Interface Analyst Solution Specialist System Architect Network Administrator Transport Administrator Batch Administrator Database Administrator Security Specialist ABAP Specialist DDIC Manager OS Administrator SAP DBA System Administrator Roles of a SAP BASIS Consultant The following illustration depicts the typical roles performed by a SAP BASIS Consultant − Tasks Performed under Different Roles We can further categorize the tasks performed under different roles − System Architect Sizing SAP systems Design SAP landscape Transport Administrator Change control across SAP landscape Batch Administrator Create and manage batch jobs across landscape Security Specialist Design, monitor, and manage access to SAP landsc...

SAP HANA Architecture, LandScape, Sizing SAP HANA Database is Main-Memory centric data management platform. SAP HANA Database runs on SUSE  Linux  Enterprises Server and builds on C++ Language. SAP HANA Database can be distributed to multiple machines. SAP HANA Advantages are as mentioned below – SAP HANA is useful as it’s very fast due to all data loaded in-Memory and no need to load data from disk. SAP HANA can be used for the purpose of OLAP (On-line analytic) and OLTP (On-Line Transaction) on a single database. SAP HANA Database consists of a set of in-memory processing engines. Calculation engine is main in-memory Processing engines in SAP HANA. It works with other processing engine like Relational database Engine(Row and Column engine), OLAP Engine, etc. Relational database table resides in column or row store. There are two storage types for SAP HANA table. Row type storage (For Row Table). Column type storage (For Column Table). Text data and Graph data resides in Text...