Ram Prasad Acharya | Purbanchal University (original) (raw)

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Research paper thumbnail of Financial Accounting for Purbanchal University 1st Semester

Financial Accounting for Purbanchal University 1st Semester

Papers by Ram Prasad Acharya

Research paper thumbnail of Access path selection in a relational database management system

In a high level query and data manipulation language such as SQL, requests are stated non-procedu... more 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.

Research paper thumbnail of Financial Accounting for Purbanchal University 1st Semester

Financial Accounting for Purbanchal University 1st Semester

Research paper thumbnail of Access path selection in a relational database management system

In a high level query and data manipulation language such as SQL, requests are stated non-procedu... more 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.