Complete table 1 in Excel (i.e. complete the cell with question marks).? Use Excel formula to make any calculation and save the worksheet
Transform the logical E-R diagram of Figure 1 into a physical E-R diagram. The sizes of the
attributes of each table and the expected initial record counts per table are shown in table 1.
Perform a volumetrics analysis for the database. Assume that the DBMS that will be used to
implement the system requires 30% overhead to be factored into the estimates. Also, assume a
growth rate of 10% for the database per year. The systems development team wants to ensure
that adequate data storage is obtained for the next 3 years.
Student Enrollment System
Attributes Record Overhead
Initial Table Initial Table
Size (records) Volume
Total Initial Volume:
Growth Rate per Year:
Total Volume in 3 years:
1. Complete table 1 in Excel (i.e. complete the cell with question marks). Use Excel formula to
make any calculation and save the worksheet
Identification of the foreign keys with their sizes
Calculation of record sizes of the tables
Calculation of total record sizes of the tables
Calculation of initial table volumes
Calculation of total initial volume
Calculation of total volume in 3 years
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