The below data is in first normal form. Normalise the data to third normal form, howing all steps with explanations. Dependency diagrams or tabular data are acceptable for the final answer. Primary key: PlayerName, CharacterName Player Player Character Character Character Name DateJoined Name Level Мax Health Bob 2014-12-31 George 50 800 Bob 2014-12-31 Fred 50 1200 Alice 2015-05-09 ZeAlice 21 350 Charles 2016-09-09 HisRoyalHighness 30 470 Delta 2020-02-29 WarriorDelta 50 1205 Delta 2020-02-29 DeltaMage 2 60
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- Please show the non-trivial functional dependency of the question below: Timesheet (StaffID, FamilyName, OtherNames, TimesheetID, Date, StartTime, EndTime, StoreID, Location, State, RoleCode, RoleName, Rate, Total, TotalPay) please display in functunial dependency notiation. thank you!A transitive dependency is equivalent to which of the following?A) A functional dependency between two or more key attributes.B) A functional dependency between two or more nonkey attributes.C) A relation that is in first normal form.D) A relation that is in second normal form.Question: Determine for each update anomaly whether or not the relation Abnormal_Rel is susceptible to that anomaly. Support your determination with adequate explanation and a small example. Abnormal_Rel( ProductID, BrachID, campaignID, MemberID, ProductType, PackageType, YearProduced, Price, Brand, StockLevel, CampaignStartDate, CampaignEndDate, FirstName, LastName, eMail, MembershipLevel, MemberExpDate, Discount )
- The below data is in first normal form. Normalise the data to third normal form,showing all steps with explanations.Dependency diagrams or tabular data are acceptable for the final answer.To change the participation constraint on the parent side from partial to total, the foreign key, which would have been NULL, must be changed to NOT NULL. (True or False).Which type of relationship is shown in each case below? Motivate youranswer
- Which normal form requires that, no non-key attribute should functionally depend on a part of the primary key?Each relationship is mapped into a relation? true or falseA company provides reimbursement of mobile phone subscription charges toits employees belonging to the managerial cadre and above. The following recordstructure captures the details. employee number, which is designated as theprimary key, is a numerical 3-digit key. type refers to a post-paid or pre-paid classof subscription to the mobile service. subscription charges refer to thecharges incurred by the employee at the end of every month.employeenumber designation mobilenumber type SubscriptionchargesFor a sample set of records implement the file asa) an array of records (block size = 1), andb) an array of pointers to records (assume that each pointer to a record is a linkedlist of two nodes, each representing a record. In other words, each block is a linkedlist of two nodes (block size = 2)).
- Which of the following symbols represents an optional relationship in an E-R model? a. a straight line b. a dashed line c. a straight line with a crows foot at both ends d. a straight line with a crows foot at one endPlease find the properties of the below relationship and write in the blank area. R is __________________________ iff (a,a) Î R for every a Î A R is ___________________________iff (a,b) Î R implies (b, a)Î R R is _________________________iff (a,b) Î R and a ¹ b implies (b,a) R R is _________________________ iff (a,b)Î R and (b, c)Î R implies (a, c) Î R Q3. The combining relationships have to define by you and write the descriptive paragraph as well.95. The keyword "inverse" is used in which of the following? a. Class b. Attribute c. Relationship d. All of the above.