But just specifying a numeric data type puts the onus on the DBMS, where it should be, to assure that the data is numeric only. Choosing the wrong data type can impact performance, too. Relational ...

For both types of database, students will be encouraged to work with data relevant to their own interests as they learn to create, populate and query data. In the final section of the data section of ...

For both types of database, students will be encouraged to work with data relevant to their own interests as they learn to create, populate and query data. In the final section of the data section of ...

Tom Warren is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over 20 years. Microsoft Excel used to only allow two types of data: text and numbers.