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Efficiently monitoring relational databases
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Source ACM Transactions on Database Systems (TODS) archive
Volume 4 ,  Issue 3  (September 1979) table of contents
Pages: 368 - 382  
Year of Publication: 1979
ISSN:0362-5915
Authors
O. Peter Buneman  Univ. of Pennsylvania, Philadelphia
Eric K. Clemons  Univ. of Pennsylvania, Philadelphia
Publisher
ACM  New York, NY, USA
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Downloads (6 Weeks): 8,   Downloads (12 Months): 47,   Citation Count: 59
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ABSTRACT

An alerter is a program which monitors a database and reports to some user or program when a specified condition occurs. It may be that the condition is a complicated expression involving several entities in the database; in this case the evaluation of the expression may be computationally expensive. A scheme is presented in which alerters may be placed on a complex query involving a relational database, and a method is demonstrated for reducing the amount of computation involved in checking whether an alerter should be triggered.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

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BUNEMAN, O.P., AND MORGAN, H.L. Alerting in database systems: Concepts and methods. Working Paper 75-12-02, Dept. Dec. Sci. The Wharton School, U. of Pennsylvania, Philadelphia, Pa., 1975.
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CODD, E.F. Normalized data structures: A brief tutorial. Proc. 1971 ACM SIGFIDET Workshop, ACM, New York, pp. 1-18.
 
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CODD, E.F. Relational completeness of data base sublanguages. RJ 987, IBM Res. Lab., San Jose, Calif., March 1972.
 
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HAMMER, M., AND SARIN, S.K. Efficient monitoring of database assertions. Report, Lab. for Comptr. Sci., M.I.T., Cambridge, Mass., Dec. 1977.
 
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STOSEBRAKER, M. High level integrity assurance in relational data base management systems. Memo. ERL-M487, Electron. Res. Lab., Berkely, Calif.

CITED BY  59
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Collaborative Colleagues:
O. Peter Buneman: colleagues
Eric K. Clemons: colleagues

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