ABAP Development for SAP HANA by Hermann Gahm

By Hermann Gahm

See how SAP HANA has replaced ABAP! even if you re learning for certification or simply are looking to see what s new, you could learn how to layout uncomplicated and complex SAP HANA functions with ABAP by utilizing this finished advisor. discover ways to allow code pushdown, use new Open SQL improvements and CDS perspectives, and combine local SAP HANA gadgets. Use specified programming examples to boost database approaches and optimize your purposes. Youll be programming for SAP HANA very quickly!

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In some cases, if the application code would otherwise become too complex, it may also be necessary to create several alternative implementations of a modularization unit. In the extreme case, you have to develop a separate program for every database system. Modularization units Alternative Implementations Alternative implementations for a modularization unit could look as follows: EE One implementation for SAP HANA that uses SAP HANA-specific options and one Open SQL-based implementation for all other database systems supported by SAP.

Via the SAP Management Console). Using the Software Update Manager for SAP HANA (SUM), you can download and automatically install new support packages (SPs) of the installed components from the SAP Service Marketplace. Support In case of an error, you can run an analysis by setting up a connection between your SAP HANA installation and the SAP Support that provides restricted access via the SAP standard support infrastructure (especially SAProuter). , root cause analysis or SAP EarlyWatch Alert).

Flash memory When using Flash memory, no mechanical parts need be moved. This results in access times of about 200 microseconds. In SAP HANA, performance-critical data is placed in this type of memory and then loaded into the main memory. 2 Access to the main memory, (or DRAM, dynamic random access memory) is even faster. Typical access times are 60 to 100 nanoseconds. The exact access time depends on the access location within memory. With the NUMA architecture (non-uniform memory access) used in SAP HANA, a processor can access its own local memory faster than memory that is within the same system but is being managed by other processors.

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