WebDatabase Concepts gives undergraduate database management students and business professionals alike a firm understanding of the concepts behind the software, using Access 2016 to illustrate the concepts and techniques. Three projects run throughout the text, to show students how to apply the concepts to real-life business situations. WebIntroduction to Database Systems 3 Answer 1.5 The DBA is responsible for: Designing the logical and physical schemas, as well as widely-used portions of the external schema. Security and authorization. Data availability and recovery from failures. Database tuning: The DBA is responsible for evolving the database, in particular
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WebAnswer: d Explanation: MySQL, Microsoft Access, IBM DB2 are database management systems while Google is a search engine. MySQL is a Linux-based database management system, Microsoft Access is a tool that is a part of Microsoft Office used to store data, IBM DB2 is a database management system developed by IBM. Web2.8 Consider the bank database of Figure??. Give an expression in the relational algebra for each of the following queries. a. Find the names of all branches located in “Chicago”. b. Find the names of all borrowers who have a loan inbranch “Down-town”. Answer: a. 5 branch name (s branch city=“Chicago” (branch)) b. 5 customer name (s destind mr.almost right
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