Viewpoint   Simple searching Searching on more than one field Searching using AND and OR Sorting Queries Searching using NULL and NOT Saving and using queries Making a bar chart Improving the appearance of a bar chart Making a grouped bar or pie chart Improving the appearance of a pie chart Adding fields Simple Field types Using a text field to give choices Moving field headers Altering style of fields Deleting a field Making simple layouts Making a table-type layout Attaching queries to layouts Simple formulae Using date functions Length checks Range checks Compulsory fields Making a link to a website Checking for spare fields My data disappears! Common validation errors