TREASURE HUNTER’S RELATIONAL MODEL Player ( username , firstName, lastName, gend

Question

TREASURE HUNTER’S RELATIONAL MODEL

Player (username, firstName, lastName, gender, DOB, email, streetNo, streetName, suburb, state, postcode, creationDateTime, totalPoints)

PhoneNumber (phoneNumber, username)

Treasure (treasureID, description, points, webpage, type, questID)

Quest (questID, questName, story, beacon, advancedQuestID)

Store (storeID, storeName, openTime, closeTime)

Badge (badgeID, badgeName, badgeDescription)

PlayerProgress (questID, username, progress)

PlayerTreasure (username, treasureID)

Purchase (purchaseID, storeID, username, badgeID, purchaseDateTime, cost)

FOREIGN KEYS

                    • PhoneNumber (username) is dependent on Player(username)

                                • Quest (advancedQuestID) is dependent on Quest(questID)

                                • Treasure (questID) is dependent on Quest (questID)

                                • PlayerProgress (questID) is dependent on Quest (questID)

                                • PlayerProgress (username) is dependent on Player (username)

                                • PlayerTreasure (username) is dependent on Player (username)

                                • PlayerTreasure (treasureID) is dependent on Treasure (treasureID)

                                • Purchase (storeID) is dependent on Store (storeID)

                                • Purchase (username) is dependent on Player (username)

                                • Purchase (badgeID) is dependent on Badge (badgeID)

OTHER CONSTRAINTS

                    • Player (gender) must be female, male, other or prefer not to disclose.

                                • Player (state) domain is [QLD, SA, TAS, NSW, WA, NT or ACT].

                                • Treasure (type) domain is [common, uncommon, rare, ultra-rare or elite].

                                • Players may enter up to three phone numbers.

                                • Players must enter at least one phone number.

                                • PlayerProgress (progress) domain is [active, inactive or complete].

                                • Player (email) is mandatory.

Question

Write an UPDATE comment to change the address of all players with the last name ‘Smith’ who live at ‘180 Zelda Street, Linkburb’ to ’72 Evergreen Terrace, Springfield’.

Explanation / Answer

Solution:

UPDATE Player SET streetNo= '72', streetName= ' Evergreen Terrace', suburb = 'Springfield'
WHERE lastName= ' Smith' AND streetNo= '180' AND streetName= ' Zelda Street' AND suburb = 'Linkburb';

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