Consider the following database information:
domain s_id: integer
domain grd: fixed length character string length 1
STUDENT_GRADE(
Student_Number: s_id NOT NULL
Grade: grd )
Primary Key Student_Number
During which phase of the database design process would this information be developed?
Consider the Recreation relation shown in the exhibit. You need to apply a SQL statement to the Recreation relation that will return the following data:

Which SQL statement applied to the Recreation relation will return this data?
Your enterprise must decide whether to use a database management system. Which of the
following lists four advantages of using a DBMS?
Your company must choose which type of database to use for a new project. Which of the
following lists three characteristics of file-based database systems?
The exhibit shows a table called Housing Relation. This table relates a unique student
identification number with a dormitory building and a room fee for that building. The key for the
Housing Relation is Student_ID. If each building charges only one fee and a student can live in
only one building, then this table is in which normal form?

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