University of Greenwich BSc (Hons) in Computing COMP1302 Database Design and Implementation Coursework Name: Student ID: Date: 1 Assumption (Ref. D1) Enterprise Rules: • • • Rule 1 Rule 2 Rule 3 The company will continue to run the business The hardware can support the company to run the business The software can support the company to run the business Business Rules: • • • • • • • Rule 1 Rule 2 Rule 3 Rule 4 Rule 5 Rule 6 Rule 7 Each Order can only hire one equipment Each Customer
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Using the five tables below‚ create tables and link them through relationships. The tables should contain primary and foreign keys (where needed). (5 points) Tables: City‚ Staff‚ Room‚ Hotel‚ and Guest. 1b). Using the five tables below‚ create tables and link them through relationships. The tables should contain primary and foreign keys (where needed). (5 points) Tables: Book‚ University‚ Publisher‚ Library‚ and Author.
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Microsoft® Access®. He wants to know about the key functions of using Microsoft® Access® and how a table‚ query‚ primary key‚ and a report are important to his database needs. Some of the key functions of using Microsoft Access are tables‚ queries‚ records‚ relationships‚ and reports (Shelly‚ Cashman‚ & Vermaat‚ 2007). The records for each animal can be stored in a database. A database is files in which you store data and include all the major key functions related to the stored data; including
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contains a unique value in that column (or set of columns). Primary Key Values A primary key value rule defined on a key (a column or set of columns) specifies that each row in the table can be uniquely identified by the values in the key. Referential Integrity Rules A referential integrity rule is a rule defined on a key (a column or set of columns) in one table that guarantees that the values in that key match the values in a key in a related table (the referenced value). Referential integrity
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field/attribute and comes under the entity of student details. The relationship is 1:M and the model is based on how you build the table. We can create a new table with fields for employee ID and every possible degrees. Here‚ the primary key of the employeeID becomes foriegn key in the new relation table. But‚ this model leads many null values which can be still operated. If we use only a field for "hobbies" we need to assign the text field to contain more than one value. This is called as multivalued attribute
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new 90’s. George Bush’s CIA and ambassadorial experience provided Americas key to our foreign policy negotiations‚ aiding in our nations leadership over the world. This defeat and new era caused our domestic and social society within America into a state of confusion and caused Americans to question what role they would play in this new society. "Not only did the Cold War define America’s stance in the world‚ dictating foreign policy choices from southeast Asia to Latin America; it defined the contours
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Canadian Foreign Policy Introduction As the 20th century comes to an end‚ Canada is a transcontinental nation whose interests and representatives span the face of the globe and extend into every sphere of human behaviour. However this was not always the case. When the four colonies of British North America united to create Canada on July 1‚ 1867‚ the new country’s future was by no means secure. Canada was a small country‚ with unsettled borders‚ vast empty spaces‚ and a large powerful neighbour
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Microsoft Word (or any other software tools for graphical documentation). Be sure to include all the cardinalities. 2. Prepare a listing of the tables that you would need to create a working database. For each table‚ specify the primary key‚ the foreign key (if any)‚ and at least 2 other attributes. Stage 2. Microsoft Access 1. Create the database in Microsoft Access. Link all the tables and enforce referential integrity. 2. Create at least 5 records for each table. Assume that all purchases
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MGMT 393 Professor Maurer 22 June 2014 The Business of Social Media and Making the ROI Case No. It appears the strategy was lacking in functionality and thus the $200‚000 was not a true profit. Cost may have played a part in not obtaining the profit margin expected along with not clearly identifying goals and objectives. Danny Brown said there is true cost associated with implementing a social media adventure. You will want the following at the following cost; a social media strategist
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Modification anomalies can occur when the data is deleted‚ inserted‚ or updated‚ and the data is lost in other ways such as hardware being damaged or stolen. In addition‚ normalization helps with the reduction of table and row size. Creating primary and foreign key constraints will reduce the number of empty or null values in columns and reduces the overall size of the database. Normalization has yet another great advantage‚ referential integrity. Referential Integrity means that one column Data 3
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