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 easy and complex SAP HANA functions with ABAP by utilizing this entire consultant. discover ways to allow code pushdown, use new Open SQL improvements and CDS perspectives, and combine local SAP HANA gadgets. Use specific programming examples to enhance database tactics and optimize your functions. Youll be programming for SAP HANA very quickly!
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Since you can’t increase the speed of sequential executions simply by using future hardware, you instead have to run software code in parallel to reach the desired performance gains. 2 introduces such software optimizations in SAP HANA. 1 Software optimizations Hardware Innovations To benefit from these hardware trends, SAP has been working in close cooperation with hardware manufacturers during the development of SAP HANA. Consequently, the SAP HANA database currently only runs on hardware certified by SAP.
EE With horizontal partitioning, tables are divided into smaller sections on a row basis. Rows 1 to 1,000,000 are then perhaps stored in one partition, while rows 1,000,001 to 2,000,000 are placed in another partition. SAP HANA supports only horizontal partitioning. The data in a table is distributed across different partitions on a row basis, while the records within the partitions are stored on a column basis. 7 shows how horizontal partitioning is used for a table with the two columns Name and Gender in case of column-based data storage.
When using the code-to-data paradigm, the application data is also placed in the database layer. However, some of the application logic is executed in the application layer, while some of it is implemented in the database layer. In an extreme case, the entire application logic can be executed in the database layer. Nothing fundamentally changes in the execution of the presentation logic. Code-to-data When applying this paradigm to an ABAP program, this means: The data of a code-to-data application is stored in the database.