<prompt> Sisinya lihlooho tse tharo tse amanang le mahlale a polokelongtshedimosetso.nan  <response>: Instruction in English: Suggest three topics related to database science. . Response in English: 1. Database design and normalization: This topic covers the principles and methodologies used to create efficient, organized and scalable database structures, and how to manage data redundancy and relationships among different data entities.2. Query optimization and indexing: This topic involves techniques to optimize the performance of databases, particularly when retrieving data through queries. It includes methods to speed up query execution time using indexing, query rewriting and other approaches.3. Database security and data privacy: This topic explores the principles, mechanisms, and techniques used to protect databases and ensure the privacy, integrity and availability of data. It covers topics such as access control, data encryption, backup and recovery, and compliance with data protection regulations. . Response in Sesotho: 1. Moralo oa database le ho tloaeleha: Sehlooho sena se akaretsa melao-motheo le mekhoa e sebelisoang ho theha meaho e sebetsang hantle, e hlophisitsoeng le e ka senyehang, le mokhoa oa ho laola khaello ea data le likamano lipakeng tsa mekhatlo e fapaneng ea data. 2. Ntlafatso ea lipotso le indexing: Sehlooho sena se kenyelletsa mekhoa ea ho ntlafatsa tsebetso ea li-database, haholo-holo ha o fumana lintlha ka lipotso. E kenyelletsa mekhoa ea ho potlakisa nako ea ho etsa lipotso ka ho sebelisa indexing, ho ngola lipotso hape le mekhoa e meng. 3. Tšireletseho ea polokelo ea boitsebiso le lekunutu la boitsebiso: Sehlooho sena se hlahloba melao-motheo, mekhoa le mekhoa e sebelisoang ho sireletsa datha le ho netefatsa boinotši, botšepehi le boteng ba data. E akaretsa lihlooho tse kang taolo ea phihlello, encryption ea data, bekapo le ho hlaphoheloa, le ho latela melaoana ea tsireletso ea data. 