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The notions of consistency and predicate locks in a database system
TLDR
This paper defines the concepts of transaction, consistency and schedule and shows that consistency requires that a transaction cannot request new locks after releasing a lock. Expand
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Augmentation Problems
TLDR
This paper considers problems in which the object is to add a minimum-weight set of edges to a graph so as to satisfy a given connectivity condition. Expand
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System R: relational approach to database management
TLDR
System R is a database management system which provides a high level relational data interface. Expand
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SEQUEL 2: A Unified Approach to Data Definition, Manipulation, and Control
TLDR
SEQUEL 2 is a relational data language that provides a consistent, English keyword-oriented set of facilities for query, data definition, data manipulation, and datac ontrol. Expand
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Storage and Access in Relational Data Bases
TLDR
A model of storage and access to a relational data base is presented. Expand
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Functional specifications of a subsystem for data base integrity
TLDR
This paper defines an integrity subsystem for an integrated data base management system, and shows how integrity is distinguished from the related areas of security, consistency, and reliability by permitting users to make assertions which define the correctness of the data base, and to specify actions to be taken when the assertions are not satisfied. Expand
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Collision-Free Access Control for Computer Communication Bus Networks
TLDR
This paper considers access control for local area computer communication networks. Expand
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Placement of Records in a File and File Allocation in a Computer
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Aspects of a trigger subsystem in an integrated database system
TLDR
This paper considers the specifications and design of a trigger subsystem in a database management system. Expand
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An encoding method for multifield sorting and indexing
TLDR
Sequences of character strings with an order relation imposed between sequences are considered. Expand
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