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Identify Good Database Design • A database is an organized collection of data—facts about people, events, things, or ideas—related to a specific topic or purpose. • Information is data that is organized in a useful manner. with Microsoft® Access 2010 © 2011 Pearson Education, Inc. Publishing as Prentice Hall 1 Identify Good Database Design • Use good design techniques when creating a new database. – Determine the information you want to keep track of to create a new database. – Ask yourself, “What questions should this database be able to answer for me?” – The purpose of a database is to store data in a manner that makes it easy for you to get the information you need. with Microsoft® Access 2010 © 2011 Pearson Education, Inc. Publishing as Prentice Hall 2 Database Structure • An Organized collection of related information • Table – Vertical columns & horizontal rows where information is stored • Record – A row – Information about one person or thing • Field – A column – Smallest unit of information with Microsoft® Access 2010 © 2011 Pearson Education, Inc. Publishing as Prentice Hall 3 Information is in the TABLE • The basic part of a DB is called a TABLE • A matrix of rows and columns (just like you used in MS Excel) that contains the data to be stored and later analyzed • Can be created “from scratch” or imported from some other source or program (such as Excel) • Columns in table define what “fields” will be used (such as NAME, AGE, etc.) with Microsoft® Access 2010 © 2011 Pearson Education, Inc. Publishing as Prentice Hall 4 1-5 Data Type • Data type defines the type of data the field will contain • Used to ensure right kind of data is entered with Microsoft® Access 2010 © 2011 Pearson Education, Inc. Publishing as Prentice Hall 5 1-6 Data Types Text Number Date/Time Currency with Microsoft® Access 2010 AutoNumber Yes/No © 2011 Pearson Education, Inc. Publishing as Prentice Hall 6 Four DB “objects” we will use with Microsoft® Access 2010 © 2011 Pearson Education, Inc. Publishing as Prentice Hall 7 Create and Use a Query, Form, and Report • A query is a database object that retrieves specific data from one or more database objects—either tables of other queries. • A form is an Access object with which you can enter data, edit data, or display data from a table or a query. with Microsoft® Access 2010 © 2011 Pearson Education, Inc. Publishing as Prentice Hall 8 Create and Use a Query, Form, and Report • A report is a database object that displays the fields and records from a table or a query in an easy-to-read format suitable for printing. • This is usually the final output to be provided to the person who was looking to retrieve information from the database tables. with Microsoft® Access 2010 © 2011 Pearson Education, Inc. Publishing as Prentice Hall 9