Consider the following part of an ERD of Hotel Reservation System. Guest PK Guest Name Contact No Address Reservation PK Reservation No + CheckinDate Checkin Time CheckOutDate CheckOutTime Room PK RoomID Room Type Availability Status BMI PK BillID RoomCharges Service Charges TotalCharges Table Collapsing and Pre-Joining are two important techniques of de-normalization. You are required to perform following tasks: Task 1: Identify all such relations from above given ERD on which Table Collapsing technique can be applied. After that apply table collapsing techniques on tables having such relationships. Task 2: Identify all such relations from above given ERD on which Pre-joining technique can be applied. After that apply pre-joining techniques on tables having such relationships

Is a string of code written to hurt others by damaging or destroying

You have just been hired as an information security engineer for a large, multi-international corporation. unfortunately, your company has suffered multiple security breaches that have threatened customers' trust in the fact that their confidential data and financial assets are private and secured. credit-card information was compromised by an attack that infiltrated the network through a vulnerable wireless connection within the organization. the other breach was an inside job where personal data was stolen because of weak access-control policies within the organization that allowed an unauthorized individual access to valuable data. your job is to develop a risk-management policy that addresses the two security breaches and how to mitigate these risks.requirementswrite a brief description of the case study. it requires two to three pages, based upon the apa style of writing. use transition words; a thesis statement; an introduction, body, and conclusion; and a reference page with at least two references. use a double-spaced, arial font, size 12.

Who needs to approve a change before it is initiated? (select two.) -change board -client or end user -ceo -personnel manager -project manager