SQL 3: implementing the SQL foundation standard
SQL 3: implementing the SQL foundation standard
Object Relational DBMSs: The Next Great Wave
Object Relational DBMSs: The Next Great Wave
Oracle8 Database Design Using Uml Object Modeling
Oracle8 Database Design Using Uml Object Modeling
Oracle8i: The Complete Reference (Book/CD-ROM Package)
Oracle8i: The Complete Reference (Book/CD-ROM Package)
Implementation of SQL3 Structured Types with Inheritance and Value Substitutability
VLDB '99 Proceedings of the 25th International Conference on Very Large Data Bases
O-O, What Have They Done to DB2?
VLDB '99 Proceedings of the 25th International Conference on Very Large Data Bases
Oracle9i: The Complete Reference
Oracle9i: The Complete Reference
A high performance integrated web data warehousing
Cluster Computing
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A comprehensive study of object-relational queries gives not only an understanding of full capability of object-relational query language but also a direction for query processing and optimization. This chapter classifies object-relational queries into REF queries, aggregate queries and inheritance queries. REF queries are queries involving REF pointers, whereas aggregation queries use either nested table structures or index on clusters. Finally, inheritance queries are queries on inheritance hierarchies.