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Canada (161,368)
Criminology (615)
CRIM 101 (121)
Chapter 5

Chapter 5.docx

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Department
Criminology
Course
CRIM 101
Professor
Kamal Masri
Semester
Winter

Description
Chapter 5 What is Content?  Intellectual property – Creative content that is protected through copyright, trademark, patent, industrial design, integrated circuit topography  Content differs from industry to industry o Ex. Bank content = account information, advertising = commercials  Computers and the internet have created more types of content and increased distribution ability o Makes it more difficult to use content effectively  Problem actually lies with presenting content appropriately for shareholders & etc How can Content Be Organized?  Important issue in content management is cataloguing the right information, processing, storing, & getting information to the right person in the right format at the right time  Concerned with efficiently and effectively storing/processing bytes of data  Web content management systems today help companies/employees with the presentation of data on websites as the old practice did not provide consistency and left room for inaccuracy  Content management System o Located on company website server o Employee loads raw content  copy editor reviews and edits  layout artist prepares content for presentation  stored in DBMS  manager does final review and publishes o Current CMSs find documents located across organizations and automatically manages access to content, document archiving, increased use of electronic files  Word doc, html pages What is the Purpose of a Database?  Used for organization and record keeping  Spreadsheets can be used for single themed (simple)  Databases required for multiple themed lists What Does a Database Contain?  Database = self-describing collection of integrated records.  Byte = character of data  Bytes organized into columns/fields  Columns/fields grouped into rows/records  Group of similar rows/records called table/file  Database (stored on hard disk) = Tables/Files/Relations + Relationships among rows in Tables + Metadata  Relationship among Records o Key = column/group of columns that identify a unique row in a table  Ex. In e-mail table seeing the student number  check student number in student table  see when they have visited the office in office visit table o Foreign Keys = keys from a different (foreign) table from the one in which they reside Relational database = Databases that carry their data in the form of tables and that represent relationships using foreign keys  Non-relational databases have nearly disappeared  Metadata o Self-describing – Contains within itself a description of its contents  data about the data (metadata) o Field properties – describes format, default value for Access to supply when new row is created and value constraints for that row o Always part of a database What is a DBMS, and What Does it Do?  Database Application System – applications that make database data more accessible and useful o Forms, formatted reports, queries, application programs  These then call upon database management system to process database tables  Database Management System (DMBS) o Software used to create, process, administer a database o Popular DMBSs – DB2 from IBM,
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