Data from Oracle database replicated to SAP HANA box. Here SAP HANA acts as a secondary database.ECC can have read accesss to HANA database to improve performance.HTML 5 apps, Lumira, BO can query data from SAP HANA HANA acceleratorSAP Landscape transformationConfigTransactionJobsOptimizationMonitoringAccelerators Std and customSide car at M&MHANA: High Perf Analytic ApplianceSold as hw+sw in one box or HANA on cloudMoving from app layer to database layerin memorycolumnar storage: every column stored seperately compression ratio is high No seperate aggregate tableHANA as a platform: Database, calculation engine, Extended App Server, Web Server Engine(for GUI)Side car HANA:Data updates have to happen only in Oracle database as data flows only from Oracle to SAP HANA and not other way round. Perf impr:Redirecting table read to HANA : Reading bottleneck table from HANACode push down to HANA : Moving calculations/data processing to HANA, ABAP programsSLT:Data replication techLow latency - 4/5 secsWorks on databases triggersApplication table -> DB trigger -> Logging table ---Database connection--->Access plan calculation for full loadstorage to temprary table in ECCdata transfer to HANAConnecting SLT to ECC and HANAcreate role for user in SU01create RFC i SM59in SLT -> LTRC new configmass transfer id -> data path for particular HANA box. ther can be multiple destinations using single SLT or multiple sources to single destination