＋设为首页 ＋添加到收藏夹
the distributor had just bought out a few rival businesses in town. the paperwork had been signed, the funds were transferred and the deal was complete. the only detail to be worked out was to link all the locations together into one coordinated unit. the mis manager was horrified to learn that the databases of the other locations are as diverse as can be. some of them are relational databases, whereas the home database is of the newer object type. what he needs is a tool that allows him to "wrap" all the databases together into one manageable, tightly knit application. what he needs is toplink from the object people.
toplink is a powerful new application that allows the developer to work at the object level, even if the database in question is relational. the objects are mapped to the database in a non-intrusive manner; therefore, the relational database can be made to behave much like an object database.
why not just change the database from relational to object?
there are a few good reasons why companies are not willing to do this at this time. one is that relational database technology is regarded as the standard. accessible through a wide range of applications, the relational database is the one most working professionals are familiar with. the object database, although it has come a long way in the past few years, is still regarded as new, unfamiliar and untested technology. even if an organization wanted to make the change, the time and expense of re-encoding data and training personnel would scare them away from this option.
toplink provides the perfect
sol... 下一页