COM 330 Lab 2: Access Integrity and Queries In this lab you will connect two tables with a relationship using a foreign key and investigate simple queries using QBE and SQL using Microsoft Access™. 1. Prepare the file: a. Download the file COM330LAB02.ACCDB from the class website. b. Rename the file COM330LAB02.ACCDB to include your initials before the period. (e.x., COM330LAB02BR.ACCDB for someone who’s initials are BR. 2. Inspect the tables and create forms: c. Open
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What is the significance of Research Skills and Academic Integrity for successful study in Higher Education? Academic studies require a vast amount of research. This essay will cover the importance of research skills aspects in academic development, to avoid any misconduct and not be accused of cheating, such as plagiarism and collusion. Scholars studying in higher education must have intellectual honesty also known as academic integrity. This helps pupils on being more ready when operating as an
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To define referential integrity more formally, first we define the concept of a foreign key. The conditions for a foreign key, given below, specify a referential integrity constraint between the two relation schemas R1 and R2. A set of attributes FK in relation schema R1 is a foreign key of R1 that references relation R2 if it satisfies the following rules: 1. The attributes in FK have the same domain(s) as the primary key attributes PK of R2; the attributes FK are said to reference or refer
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Stephen Favor (CPD121) Assignment Lab 2-3 TR10 1. What is an entity? * An entity is something about which we want to keep data. There are physical entities; something physical in our universe (e.g., a person, place, thing, etc.). There is also a logical entity; something non-physical (e.g., a relationship).Three examples of an entity could be a gun, Airline, and a camera. 2. What is a relationship? * A relationship is a logical connection between records from two or more tables. All
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Cheating on an exam can have damning ramifications at any school, but when it comes to West Point; it is a direct violation of the schools highly held honor code. The honor code is a West Point tradition, and has helped mold military leaders with high integrity and strong values. Due to the sheer number of individuals, who were alleged to be involved, and where the scandal was happening, the event garnered national attention. Due to the uproar in the press and across the country, more pressure was placed
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Define the following terms: data, database, DBMS, database system, database Catalog, program-data independence, user view, DBA, end user, canned transaction, deductive database system, persistent object, meta-data, and transaction-processing application. Data: Known facts that can be recorded and that have implicit meaning. Database: A collection of related data with an implicit meaning. DBMS: A collection of programs that enables users to create and maintain a database. Database System:
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right if both have access to the same data because there are personal data the other user should not see or use. For the college example I think the dean of school should have access to that kind of information. 5. Define referential Integrity; Referential integrity is a database concept that ensures that relationships between tables remain consistent. It is possible for a customer not to
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Integrity Constraints Before one can start to implement the database tables, one must define the integrity constraints. Intergrity means something like 'be right' and consistent. The data in a database must be right and in good condition. There are the domain integrity, the entity integrity, the referential integrity and the foreign key integrity constraints. Domain Integrity Domain integrity means the definition of a valid set of values for an attribute. You define - data type, - lenght
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Define the following terms: data, database, DBMS, database system, database Catalog, program-data independence, user view, DBA, end user, canned transaction, deductive database system, persistent object, meta-data, and transaction-processing application. Data: Known facts that can be recorded and that have implicit meaning. Database: A collection of related data with an implicit meaning. DBMS: A collection of programs that enables users to create and maintain a database. Database System:
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Subject: Policy No: Version: Effective Date: Contact: Academic Integrity and Plagiarism Policy PP-ACD-DB-10.4 V3 25 July 2012 Immediately Chair, Deans’ Committee This document is issued and controlled by the Policy and Document Control Officer. Approval for changes may only be given by the President or in his/her absence, an authorised member of Senior Administration. This is a controlled electronic document subject to update and must not be copied. 1.0 Purpose of Policy The purpose
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