【判断题】Program-data dependence refers to the coupling of data stored in files and software programs that use this data such that changes in programs require changes to the data.
【单选题】The relational database model requires the data be(110)through programs that don't rely on the position of the data in the database. This is in direct(111)to the other database mode, where the program...
【单选题】The relational database model requires the data be(71)through programs that don't rely on the position of the data in the database. This is in direct(72)to the other database mode, where the program h...