Database normalization is trade off between O Memory and Cache O Speed and accuracy O Compute and memory O Time and storage and
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- An in-memory database (IMDB) is a database management system that stores the entire data-base in ____________ a. random access memory b. read only memory c. distributed servers d. virtual memoryA database has been designed to display a list of popular movies and also a list of actors acting in these movies. The relationship that would exist between the related tables would be: O many to many one to many O many to one O one to oneSome database operations such as joins can see a significant difference inspeed when data (e.g., one of the relations involved in a join) fits in memoryas compared to the situation where the data do not fit in memory. Showhow this fact can explain the phenomenon of superlinear speedup, where an application sees a speedup greater than the amount of resources allocated to it.
- Database systems are often comprised of processes (also known as threads) that communicate with one another by interacting with shared memory resources.What, if any, access to the shared memory area is controlled.Is two-phase locking the most acceptable strategy for serializing access to data structures in shared memory? Your answer should be backed up by logic.Consider the many data access scenarios that can arise in a distributed database system.All possible data-request scenarios for a distributed database must be tested.
- What is the difference between actual data and virtual data?Are there any notable differences between local area networks and wide-area networks? How do these differences appear in the architecture of a distributed database if this is the case?Computer science is an academic discipline. What is the difference between a distributed database and a multi-user database, and how are they different?
- 8. Consider the following database tables 6. File Upload dept.name Biology Comp. Sci. Taylor Elec. Eng. Finance History Music Physics building| budget Watson dept name salary ID name 22222 Einstein Wu El Said Physics Finance History Comp. Sci. Elec. Eng. Biology Srinivasan Comp. Sci. History Comp. Sci. 95000 90000 12121 90000 100000 85000 32343 60000 75000 Taylor 45565 Katz 98345 Kim 80000 Painter 120000 76766 Crick 72000 Painter 50000 10101 65000 58583 Califieri 62000 Packard 80000 Brandt 83821 15151 33456 92000 Watson 70000 40000 87000 Mozart Music Gold Physics Finance 76543 Singh 80000 "Teacher" Table "Department" Table a) Write the SQL commands to create both “teacher" and "department" table and make a relationship among these tables by choosing the appropriate primary key and foreign key. b) Write the SQL commands to find the maximum salary of teachers in each department. c) Write the SQL commands to find the names of all teachers in the Computer Science department who have…What design choices are made differently in a centralized database vs a distributed database if quick data access is a priority?Possible implications for the design of a distributed database may be drawn from the differences between a local area network and a wide area network.