J.A. Blakeley, C.W. Thompson, and A.M. Alashqur. OQL[X]: Extending a Programming Language X with a Query Capability. Technical Report 90-0701, Texas Instruments Incorporated, U.S.A., November 1990. Home/Search Document Not in Database Summary Related Articles Check |
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A Processing Framework For Object Comprehensions - Chan, Trinder (1997) (Correct)
.... for optimisation as in [30,19] or a notation for studying the theoretical foundation of query languages as in [7,17] The design criteria adopted are thoroughly discussed in [15] A comparison of object comprehensions with ONTOS SQL [29] OSQL [24] O 2 SQL [3] ORION [21] EXCESS [8] OQL[C ] [6], CQL [16] and XSQL [20] can be found in [12] 3.2 Object Comprehensions Q0. Return names of staff earning less than 20000. set[ s StaffMembers; s.salary 20000 s.name ] 5 An example of an object comprehension query is given above. The result of evaluating this query is a new ....
J.A. Blakeley, C.W. Thompson, and A.M. Alashqur. OQL[X]: Extending a Programming Language X with a Query Capability. Technical Report 90-0701, Texas Instruments Incorporated, U.S.A., November 1990.
Object-Oriented Query Language Design and Processing - Chan (1994) (Correct)
....Object oriented Data Models. erational part of the reference data model. The next chapter identifies the requirements of such an object oriented query language. Chapter 3 Query Language Requirements Many object oriented query languages [Ser87, CDV88, Bee88, DLR88, CDLR89, BM89, BCD90, Kim90, BTA90, Ont91c, DGJ92, KKS92] have been implemented and proposed. Some of these query languages are designed particularly for object oriented databases, e.g. LIFOO [BM89] and ORION [Kim90] Many are, however, adapted from other areas: the relational data model and its extensions, e.g. ONTOS SQL ....
....support query functions while O 2 SQL does not support local definitions. 3. 5 Summary Example queries of the four query languages evaluated can be found in [CHT92b, CHT93a] Results of the evaluation of other query languages, e.g. EXCESS (EXODUS [CDV88] CQL (ODE [DGJ92] OQL[X] Zeitgeist [BTA90] and XSQL [KKS92] can be found in [CT93, CTW95] The new SQL3 proposal [Kul93] also includes many of the requirements. Existing object oriented query languages can be improved along the directions suggested by the requirements. It is also hoped that new query language design can benefit from ....
J.A. Blakeley, C.W. Thompson, and A.M. Alashqur. OQL[X]: Extending a Programming Language X with a Query Capability. Technical Report 90-07-01, Texas Instruments Incorporated, U.S.A., November 1990.
Design and Implementation of Active Capability for an.. - Chakravarthy Anwar (1993) (10 citations) (Correct)
....triggered by events spanning distinct classes can be expressed. This is accomplished by a rule subscribing to the events generated by instances of different classes. 5 Implementation Details The Sentinel system is being developed using Zeitgeist, an OODBMS developed at Texas Instruments, Dallas[4, 3]. Zeitgeist is an open, modular, extensible architecture for object oriented database systems, implemented in C on Sun4 Unix platforms. In order to incorporate rules in Zeitgeist we modified the class hierarchy to include newly defined classes, namely, the Reactive, Notifiable, Event and Rule ....
J. A. Blakeley, C. W. Thompson, and A. M. Alashqur. Oql[x] : Extending a programming language x with a query capability. Technical Report TR 90-07-01, Texas Instruments, July 1990.
A New Perspective on Rule Support for Object-Oriented Databases - Maugis (1993) (41 citations) (Correct)
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J. A. Blakeley, C. W. Thompson, and A. M. Alashqur. Oql[x] : Extending a programming language x with a query capability. Technical Report TR 90-07-01, Texas Instruments, July 1990.
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