Use of Order BY clause while selecting data from tables.
Use of Inline declaration.
Use of Inner join on tables compared to For all entries. Use of data calculation related functions while selecting the data to reduce further roundtrip from DB.
All cluster and some pooled tables are converted to transparent tables in HANA. Hence queries on Cluster/pooled tables returns results sorted by primary keys is no more true here. Any custom coding which accesses physical table cluster/pool has to be changed so that the program reads from tables directly