HAPPY INSURANCE

Observe the HAPPY INSURANCE DATABASE:
CLIENT AGENT

question 10

Multiple Choice

HAPPY INSURANCE

Observe the HAPPY INSURANCE DATABASE:
CLIENT
$$\begin{array} { l l c l } \text { ClientID } & \text { ClientName } & \text { CientAgent } & \text { ClientSpouseName } \\\text { C111 } & \text { Tom } & \text { A1 } & \text { Jenny } \\\text { C222 } & \text { Kain } & A 1 & \text { Bill } \\\text { C333 } & \text { Cole } & A 2 & \text { Amy } \\\text { C444 } & \text { Dorothy } & A 2 & \\\text { C555 } & \text { Anay } & A 3 & \text { Amy } \\\text { C666 } & \text { Tina } & A 3 & \text { Matt } \\\text { C777 } & \text { Christina } & A 4 & \text { Mike }\end{array}$$ AGENT
$$\begin{array} { l l l l l c } \text { AgentID } & \text { AgentName } & \text { AgentArea } & \text { AgentRating } & \text { AgentYearofHire } & \text { SupervisedBy } \\\text { A1 } & \text { Kate } & 1 & 101 & 1990 & \\\text { A2 } & \text { Amy } & 2 & 92 & 2009 & \text { Al } \\\text { A3 } & \text { Luke } & 3 & 100 & 1992 & \\\text { A4 } & \text { James } & 3 & 90 & 2010 & \text { A3 }\end{array}$$ AREA
$$\begin{array} { l l l } \text { ArealD } & \text { AreaName } & \text { AreaHQ } \\1 & \text { East } & \text { Boston } \\2 & \text { West } & \text { San Francisco } \\3 & \text { Central } & \text { Chicago }\end{array}$$

This database will be used for the following questions citing tables from the HAPPY INSURANCE database.
-If a DBMS enforces an UPDATE SET-TO-NULL option on the referential integrity constraint between CLIENT and AGENT in the HAPPY INSURANCE database,what will be the outcome after a User tries to change the AgentID value in the last record to A5?

• A)Value A4 appears once in column AgentID in AGENT,and value A4 appears once in column ClientAgent in table CLIENT
• B)Value A5 appears once in column AgentID in AGENT,and value A5 appears once in column ClientAgent in table CLIENT
• C)Value A5 appears once in column AgentID in AGENT,and value A5 does not appear in column ClientAgent in table CLIENT
• D)Value A5 does not appear in column AgentID in AGENT,and value A5 appears once in column ClientAgent in table CLIENT

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Definitions:

Personal Development

The process of improving oneself through such activities as enhancing employment skills, increasing consciousness, and building wealth.

Management By Objectives

A performance management framework where managers and employees work together to identify and set measurable goals to guide work activities.

Jointly Plan

The act of working together with one or more parties to develop a coordinated strategy or action plan.

Jointly Control

The shared authority and responsibility over a particular task, project, or domain, often seen in partnerships or collaborative working environments.