Identify the missing word(s) in the following azure video
dp-900-data-fundamentals video for identify the missing word(s) in the following sentence within the context of Microsoft Azure. To master [?] it is necessary
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          Full Certification Question
Identify the missing word(s) in the following sentence within the context of Microsoft Azure. To master [?] it is necessary to be familiar with a range of tools to create well-designed databases, optimized for the business processes that will be run. A thorough understanding of the architecture of the database management system, the platform on which the system runs, and the business requirements for the data being stored in the database is required.