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Each Row of the Table Department Describes a Department

question 25

Multiple Choice

$Table~Employee\\\begin{array}{|l|l|l|l|l|}\hline \text { Empno } & \text { Empname } & \text { Empdeptno } & \text { Empsalary } & \text { Emptitle } \\\hline\end{array}$
Each row of the table Department describes a department. Deptno is the primary key. Deptmgr (Department manager) refers to Empno in table Employee.

$Table~Department\\\begin{array}{|l|l|l|l|}\hline \text { Deptno } & \text { Deptname } & \text { Deptcity } & \text { Deptmgr } \\\hline\end{array}$
Each row of the table Project describes a project. The primary key is Projno. Projmgr (project manager. refers to Empno in the table Employee.

$Table~Project\\\begin{array}{|l|l|l|}\hline \text { Projno } & \text { Projname } & \text { Projmgr } \\\hline\end{array}$
The table Projstaff indicates the staff assigned to various Projects.

$Table~Project\\\begin{array}{|l|l|l|l|l|}\hline \text { Prstno } & \text { Prstempno } & \text { Prsthours } & \text { Prstdate } & \text { Prstasgtno } \\\hline\end{array}$
The combination of columns Prstno, Prstempno is a candidate key. There could be other candidate
keys. Prstempno is the Empno in table Employee of the employee working on project number Prstno, which refers to Projno in the table Project. The meaning of Prstasgtno is left undefined.
-The _______ part of a table consists of the table name and the column names.The ______ body shows the rows of the table.

Definitions:

Muscle Fiber

A single muscle cell, known for its long, cylindrical shape and role in contracting to facilitate body movement.

Sarcomere

The fundamental unit of muscle fiber responsible for muscular contraction, delineated by Z lines.

Thick Filaments

Protein structures in muscle fibers responsible for muscle contraction.

Thin Filaments

Filaments within muscle fibers composed primarily of the protein actin, which play a key role in muscle contraction by sliding past thick filaments.