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Chapter 2 Data & Information, GB for storing Simplified Chinese characters, Data validation Meaning To check the data against the predefined rules, DBMS (Database Management System) Data processing Sorting, Number system used in writing a bit pattern Hexadecimal no, DBMS (Database Management System) Data control Data verification, DBMS (Database Management System) Data processing Appending, Data verification Meaning To reduce the errors that is copied from one source to another, Batch processing Example The payroll system, Database->table->record->field->character For a well-designed table, ... Keyfield, DBMS (Database Management System) Data processing Merging