1. Discuss the elements of a database system. Like The database schema Schema objects Indexes Tables Fields and columns Records and rows Keys Relationships Data types 2. Discuss the key components of a database management system architecture and how they collaborate. 3. Discuss why a database management system needs a good query optimizer. 4. Discuss one of the database management systems you use on the Internet (Please do not choose Google Search Engine!). Give screenshots of its interfaces and describe what you use it for. Give examples.
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