databases 0.0 / 5 ? ICTSpreadsheets and DatabasesGCSECCEA Created by: tharpur794Created on: 17-11-17 14:10 database features tables,records,fields,reports 1 of 7 data types auto-number,text,number,currency ,date/time 2 of 7 what is a primary key uniquely indentifies a record 3 of 7 relationships a relationship is a link between two tables. The links are made using a common field existing in both tables eg one to one, one to many, many to many 4 of 7 what is validation helps to reduce errors at input,guarantees that the data is present and the correct type, range or length 5 of 7 validation techniques type, range, format,presence, 6 of 7 forms forms make it easier to enter data when there are a number of tablesin a database because a form may including fileds from different tables 7 of 7
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