Manipulating and Sharing Data in a Database ICT Database Lesson 4 Manipulating and Sharing Data in a Database
Common Errors Mistyping data or entering the wrong data type Data integrity can be improved using field properties: format, length, or a “mask” (date/time or (xxx) xxx- xxxx) Referring to a non-existent table or field. The name of the table may have been changed or the table may have been deleted. Syntax errors – rules for wording or commands Checking the status of a table should be the first step in troubleshooting
Importing / Exporting Data Exporting data prepares the data to be used in other programs such as spreadsheet programs. Importing prepares data to be used in the open program Import data for a large number of records. Usually a spreadsheet, another database, or as a text file (.txt, .csv) Map corresponding fields
Reports A way to display your data in a visually appealing and easy-to-read format. You can format the data for different types of reports group and/or sort data, display subtotals, averages and other statistical data highlight values by using conditional formatting apply themes to enhance the "look and feel" of reports add images to reports preview and print reports
Reports Reflect current data only at the time the report is run Reports tool provides the fastest way for you to create a report Generates a report immediately without prompting you for information Displays all the fields from the underlying table or query
Reports: Controls - Themes Controls: display data, perform actions, and let you view and work with information that enhances the user interface, such as labels and images. Three types of controls: bound, unbound, and calculated Allow you to manipulate data such as sorting or summing a column Themes alter the “look and feel” of database reports