Download PDF by Hermann Gahm: ABAP Development for SAP HANA

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 complicated SAP HANA purposes with ABAP by utilizing this accomplished consultant. learn how to let code pushdown, use new Open SQL improvements and CDS perspectives, and combine local SAP HANA gadgets. Use exact programming examples to improve database techniques and optimize your functions. Youll be programming for SAP HANA very quickly!

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Consequently, the SAP HANA database currently only runs on hardware certified by SAP. sap. com/pam. To view this list, search this site for SAP HANA. 37 Hardware partners 1 Overview of SAP HANA This hardware list currently includes the Intel Westmere-EX architecture (Intel XEON Processor E7 family) which contains up to 8 CPUs per server node with 10 CPU cores each. Older systems still use the Nehalem-EX architecture (Intel Xeon Processor X75xx family) with up to eight CPUs and 8 cores each. A server node provides up to four TB RAM.

EE How can you use these options in ABAP? When optimizing programs for SAP HANA, you should always ask yourself if these programs should also be used on different database systems (which often is the case). If a program is to be used not only on SAP HANA but also on other systems, you carefully need to weigh the pros and cons of optimizing it with SAP HANA Views or SQLScript (as you had to when using Native SQL in the past). You could, for example, have a significantly better performance. A disadvantage, however, is the database-dependent application code that results from this optimization.

2 kept to a minimum—which has major effects on the software innovations described in the next section. 2 Software Innovations The software innovations in SAP HANA make optimal use of the previously described hardware. , by means of compression), and by fully leveraging the CPUs using parallel threads for data processing. SAP HANA provides software optimizations in the following areas: EE Data layout in the main memory EE Compression EE Partitioning These three areas are discussed in more detail in the following subsections.

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ABAP Development for SAP HANA by Hermann Gahm


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