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Parallelism and recovery in database systems
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Source ACM Transactions on Database Systems (TODS) archive
Volume 5 ,  Issue 2  (June 1980) table of contents
Pages: 139 - 156  
Year of Publication: 1980
ISSN:0362-5915
Authors
R. Bayer  Technische Univ. München, München, West Germany
H. Heller  Technische Univ. München, München, West Germany
A. Reiser  Technische Univ. München, München, West Germany
Publisher
ACM  New York, NY, USA
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Downloads (6 Weeks): 9,   Downloads (12 Months): 57,   Citation Count: 58
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ABSTRACT

In this paper a new method to increase parallelism in database systems is described. Use is made of the fact that for recovery reasons, we often have two values for one object in the database—the new one and the old one. Introduced and discussed in detail is a certain scheme by which readers and writers may work simultaneously on the same object. It is proved that transactions executed according to this scheme have the correct effect; i.e., consistency is preserved. Several variations of the basic scheme which are suitable depending on the degree of parallelism required, are described.


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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BAYER, R., ET AL. Decentralized concurrency control in distributed database systems. Rep. TUM-INFO-7914, Institut fuer Informatik der TU Muenchen, Munich, W. Germany, 1979.
 
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ESWARAN, K.P., ASD CHaMBERLIN, D.D. Functional specifications of a subsystem for database integrity. Rep. RJ 1601, IBM Research, San Jose, Calif., 1975.
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STEARNS, R.E., ET AL. Concurrency control for database systems. 17th Ann. IEEE Syrup. of Comptr. Sci., 1976, pp. t9-32.

CITED BY  58
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Collaborative Colleagues:
R. Bayer: colleagues
H. Heller: colleagues
A. Reiser: colleagues

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