SAP Financial Accounting (SAP FI) Certified Application Associate Practice Exam

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What technologies does the SAP HANA database rely on for data storage? (Choose three)

Compression
Indexing
Aggregation
Columnar store

The correct answer is: Compression

The best understanding of the technology that the SAP HANA database relies on for data storage includes several key components. Compression is an important feature because it reduces the amount of physical space required to store data, which in turn improves performance by allowing more data to be held in memory and speeding up data retrieval processes. In addition to compression, one of the primary features of SAP HANA is its use of a columnar store. This means that instead of storing data in traditional row-oriented format, SAP HANA stores data in columns. This approach optimizes performance for analytical queries and is particularly advantageous for read-heavy operations, as it allows for more efficient data scanning and retrieval. While aggregation is a valuable function for summarizing and consolidating data, it is not a core technology for data storage in the same way that compression and columnar storage are. Indexing also plays a significant role in enhancing data retrieval speeds but is secondary to the fundamental structures of data storage in SAP HANA, which are primarily based on the use of compression and columnar data organization. Hence, focusing on compression and columnar storage accurately encapsulates the innovative data storage techniques that SAP HANA employs to enhance performance and efficiency.