sestion 12QuizyetaveredMatch the terms in column A to the terms in column B: There is one extra phrase in columnB that do ot match with any term in Column A.ed out ofColumn AColumn BSDLC1)extended period of time. This process is referred to asWhen both the old and new systems operate for an2)Instantiation2)Creates and manages problem domain and,processes business logic.3)Domain layer3)The process of creating a new object using thetemplate provided by the class definition.4)methodology for developing, deploying, and maintaining asoftware system.4)StoryboardingA term used to describe the process and5) A technique that shows a sequence of sketches of thedisplay screen during a dialogue5)Parallel installation6)interactions with an application.A term that relates to all aspects of a person'sWrite your answer below by writing the corresponding sentence number from Column

Explanation : these words are matched with their definition

Answered: tion 12 er ared Match the terms in…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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5. For the following simple seven-activity project, develop a precedence network, calculate all relevant characteristics of each activity (ES, EF, LS, LF, TF), and calculate the project duration. Then draw a time-scaled network and under it a labor resource histogram for the ES. Do the same for the LS. In both cases, use the maximum allowable number of workers. Make adjustments to the noncritical activities, within the constraints of the ES and LF and the maximum and minimum workers allowed to provide what you feel is the best labor distribution. Please use Table B (Table B.pdf) Lastly, Explain in detail what do you feel is the biggest problem with the ES and LS configurations, and how has this been alleviated with your solution?
Part Design a database for an Access Control System. The purpose of the system is to control who has access to which doors at what time. There are six entities in this database: ● ● Users Groups O A user can be assigned to more than one group. Doors AccessRules O Decides which Group has access to which Door at which TimeSchedule. Example: Group A can access the Front Door on Monday from 7am to 9pm. o o Example: Group B can access the Back Door on Saturday from 8am to 10pm. TimeSchedules To make it simple, we only need to pport Weekly Schedules. The TimeSchedules table has the following columns: Id O O DayOfWeek StartTime ■ EndTime o Example: a schedule with DayOfWeek-Monday, StartTime=7:00, EndTime=23:00 means this schedule grants access on Monday from 7am to 11pm. Entrance Logs O This table keeps a permanent record of which user accessed which door at what time. o The logs must remain valid even after the related records have been updated. For example, after user X is deleted, the…
3) A relation is said to be in 3NF if it is in 2NF and no nonprime attribute of R is blank the primary key. A) an alternate forB) transitively dependent on C) Part of D) partially functionally dependent onE) fully funcionally dependent on
SUPLIER CUSTOMERS #id buy # id *name * tax number * product o email # name sell * address Find the mistakes in the ERD related to Entities, Attributes and Relationships. Explain reason for these mistakes. Make necessary changes on ERD and present only effected structures (entities, attributes and relationships) A- B I
A three-schema design has three levels, and at each level, requests are turned into results.
courses dasses ↑coursel INT courseDateTime DATETIME O room INT coursel INT courseName VARCHAR(45) course Description VARCHAR(45) room are used by a class. For each entity: Entitios rooms Froom DVT L-building VARCHAR(X) capacity VARCHAR(45) Inders The ERD depicts the data needed to track which course and Indicate if the entity is strong, weak ID-dependent, or weak non-ID-dependent For each relationship: • List the cardinality and participation of each entity in the relationship List the business rules for each relationship Indicate if the relationship is identifying or not
Swing Jazz Club ERD Problem Follow the Simple Procedure for ERD diagramming to design an ERD using the following user provided information. Remember the ERD will eventually turn into the design for a database from a top down view. Make sure you resolve any many to many conflicts. Label an identifier or primary key and all pertinent attributes given. If an attribute is not readily apparent from the user information, then make one up that makes sense for the particular entity. Therefore, all entities should end up with at least an identifier and another attribute that makes sense. You may use any of the approaches shown by the book, though the ER-Model and Crow’s foot are the most common. Make sure you show entities, relationships, cardinality, and optionality. Swing Jazz Club The Swing Jazz Club teaches swing and jazz dancing and offers both private and group lessons. Swing Jazz charges $60 dollars per hour for a private lesson and $10 dollars per hour for a group lesson.…
CSC 472 Introduction to Database Systems Project Consider the contents of output tuples generated by a join operator. The advantage of "late materialization" approach is that future operators in the query plan never need to go back to the base tables to get more data. Group of answer choices True False
A static data structure is expected to be used in this application. Then identify a situation when a dynamic data structure might be useful.

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