Copy of Data Organization & Data Control
by Henry Ha
1. error
1.1. data source error
1.2. transcription error
1.3. transposition error
2. data control
2.1. data validation
2.1.1. field presence check
2.1.2. field length check
2.1.3. range check
2.1.4. fixed value check
2.1.5. format check
2.1.6. check digit
2.2. data verification
2.2.1. input data twice
2.2.1.1. check the second entry against the first one
2.2.2. double data entry
2.2.2.1. two operators enter the same data
3. data hierarchy
3.1. field
3.2. record
3.3. table
3.4. database
4. database management system (DBMS)
4.1. basic function
4.1.1. create table
4.1.2. delete table
4.1.3. modify table/record
4.1.4. add/delete a record
4.1.5. browse records
4.2. essential feature
4.2.1. filter
4.2.2. sort
4.2.3. index
4.2.4. data entry forms
4.2.5. query forms
4.2.6. report