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relational造句
1. The relational algebra is a procedural language. 2. Specific device drivers are required for each relational database. 3. This is all standard for relational databases. 4. These are normally limited to relational databases. 5. The data is stored in a relational database. 6. Relational databases do not have this problem. 7. The Ingres relational database is no longer bundled, but is available as an option. 8. Distributed Relational Database Architecture also makes information access, data modification and application development more manageable, the company claims. 9. The relational devices such as word order and function words are explicit ways of linking ideas. 10. The first implementation uses the Ingres relational database, but versions supporting other relational databases will be available in 1993. 11. We now look at the relational algebra and the relational calculus in more detail. 12. A key difference to conventional relational databases lies in the sheer size of data objects which multimedia databases must handle. 13. Genette's relational strategy leads him to construct purely abstract combinations without any real existence in literature. 14. Distributed Relational Database Architecture also supports two-phase commit to ensure data integrity. 15. A new geochemical relational database has been designed, based on entity relationship modelling and a full data analysis. 16. In a relational system, the result of any operation on one or more relations is itself a relation. 17. DataCom relational database and Telon, its own application development environment. 18. There are overheads when defining and manipulating hierarchies, and this is particularly apparent when comparisons are made with the relational approach. 19. This is achieved with the setting up of a relational structure between the meaningful elements of the symbolic system. 20. Hewlett-Packard has sacrificed some speed for flexibility and compatibility with relational databases. 21. DataEase Express provides an intuitive Windows user-interface to a full relational database system. 22. In this approach, as with hierarchies but unlike the relational model, there are explicit links between related entity occurrences. 23. There is no doubt that our conceptions of various kinds of conscious episodes do indeed include relational components. 24. By bundling the two products together, the two companies have provided SpreadBase 1.1 with direct access to relational databases via DataPrism. 25. The B-shell contains in-built drivers that trigger the chip technology and run the relational database. 26. It has a network architecture for high-performance and referential integrity, but also allows purely relational systems to be built where required. 27. And, fittingly, the cross provides the model for reconciliation on a relational level. 28. Dealing with null values is one of the problems that extensions to Codd's original relational model do take into account. 29. Plenty of new technology had to be devised to implement relational databases. 30. We intend to develop an object-based paradigm for the processing of geographical data types, within a relational framework.