ABSTRACT: In a high level query and data manipulation language such as SQL, requests are stated non-procedurally, without reference to access paths. This paper describes how System R chooses access paths for both simple (single relation) and complex queries (such as joins), given a user specification of desired data as a boolean expression of predicates. System R is an experimental database management system developed to carry out research on the relational model of data. System R was designed and built by members of the IBM San Jose Research Laboratory. 1
This paper represents the concept of keys and relational algebra in database management system. Basi...
Recent research in the area of database machines has been directed at achieving greater efficiency a...
This dissertation considers the use of a virtual machine as an access control mechanism in a relatio...
Includes bibliographical references (pages 76-77)There is interest in making the relational data mod...
Database management systems offer a very reliable and attractive data organization for fast and econ...
The chapter explains the relevance of these matters in approaching the design of information systems...
116 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1984.In evaluating a query using a...
In this paper, we describe heuristic rules for choosing an appropriate access path for a given query...
Any design of an access path level of a database management system must make allowance for physical ...
Current database systems apply access control mostly on tables and columns. However, many applicatio...
This work describes the access control system being implemented in INGRES (l__N_Nteractive Graphics ...
This paper presents a framework to mine query predicates from query patterns in order to produce can...
Relational database systems entered the marketplace in the early 1980s and have since become the sta...
This paper describes the objectives and characteristics of a new relational database management syst...
Relational database systems entered the marketplace in the early 1980s and have since become the sta...
This paper represents the concept of keys and relational algebra in database management system. Basi...
Recent research in the area of database machines has been directed at achieving greater efficiency a...
This dissertation considers the use of a virtual machine as an access control mechanism in a relatio...
Includes bibliographical references (pages 76-77)There is interest in making the relational data mod...
Database management systems offer a very reliable and attractive data organization for fast and econ...
The chapter explains the relevance of these matters in approaching the design of information systems...
116 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1984.In evaluating a query using a...
In this paper, we describe heuristic rules for choosing an appropriate access path for a given query...
Any design of an access path level of a database management system must make allowance for physical ...
Current database systems apply access control mostly on tables and columns. However, many applicatio...
This work describes the access control system being implemented in INGRES (l__N_Nteractive Graphics ...
This paper presents a framework to mine query predicates from query patterns in order to produce can...
Relational database systems entered the marketplace in the early 1980s and have since become the sta...
This paper describes the objectives and characteristics of a new relational database management syst...
Relational database systems entered the marketplace in the early 1980s and have since become the sta...
This paper represents the concept of keys and relational algebra in database management system. Basi...
Recent research in the area of database machines has been directed at achieving greater efficiency a...
This dissertation considers the use of a virtual machine as an access control mechanism in a relatio...