Labels:book | chat room | daily | hakham | laptop | monitor | reckoner | road | sky OCR: DATABASES 667 SECTION The first step in designing relational data field formats field rules and lookup base to define its fields by specifying field name and data routines to reduce data entry errors type Integer, date and data types are The number of tables in a database can be determined bv used for fields containing data that might be mathematically process called which helps data- manipulated The data type used base designer group fields into record types and avoid data for ixed -length fields containing text that is not intended to redundancy. A database designer must also consider how be mathematically manipulated The sort or index records The key for a data type variable-length field for entering text. The table specifies the order in which records are stored and indi- data type is ...
