M. Y. Vardi. Review of [Jac82]. Zentralblatt fur Mathematik, 497.68061, 1983. 45  Home/Search Document Not in Database Summary Related Articles |
This paper is cited in the following contexts:
The Logical Data Model - Kuper, Vardi (1997) (18 citations) Self-citation (Vardi) (Correct)
....among the data. Both these models are unsatisfactory in their ability to restructure data, i.e. the ability to query the database. While Hull and Yap ignore the issue of a data manipulation language, Jacobs treatment is an overkill his query language enables one to write noncomputable queries [Var83]. Furthermore, both approaches fail to model a significant aspect of hierarchical and network database management systems, which is the ability to use virtual records. Virtual records are essentially pointers to physical records, and they are used to avoid redundancy in the database [Ull82] Note ....
M. Y. Vardi. Review of [Jac82]. Zentralblatt fur Mathematik, 497.68061, 1983. 45
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