例句與造句

1. As argued by Christopher J . Date, business rules translate into data integrity constraints when one thinks in terms of the relational model of database management.
2. The " smart number " is conceptually similar to a superkey as defined in the relational model of database organization, but, is intended to inform end users about status of accounts.
3. Typically these use the popular relational model of database management, but some use the hierarchical model, especially those used in manufacturing or mandated by governments, e . g ., the DIN codes specified by Germany.
4. It's difficult to find relational model of database in a sentence. 用relational model of database造句挺難的