Transcription of iSeries SQL Programming: You’ve Got the Power!
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iSeries SQL Programming: You’ve Got the Power!
iSeries SQL programming : you ve Got the Power! By Thibault Dambrine On June 6, 1970, Dr. E. F. Codd, an IBM research employee, published "A Relational Model of Data for Large Shared Data Banks," in the Association of Computer Machinery (ACM) journal, Communications of the ACM. This landmark paper still to this day defines the relational database model. The language, Structured English Query Language (known as SEQUEL) was first developed by IBM Corporation, Inc. using Codd's model. SEQUEL later became SQL. Ironically, IBM was not first to bring the first commercial implementation of SQL to market. In 1979, Relational Software, Inc. was, introducing an SQL product named "Oracle". SQL is the ONLY way to access data on Oracle database systems. The ONLY way to access data on Microsoft SQL Server and I could repeat this sentence with a number of other commercial database products. On the iSeries however, SQL is NOT the only way to access the data. SQL support has only started with V1R1.
optimal method (which forces SQL to do more disk access than it would otherwise), will magnify inefficiencies and the time it takes to produce results.
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