Introduction to Structured Query Language (SQL)
Introduction to . Structured Query Language (SQL) Chapter. 8 “ The most important motivation for the research work that resulted in the relational model was the objective of providing a sharp and clear boundary between the logical and physical aspects of database management.” – E. F. Codd. Chap 8.indd 143 19-Jul-19 3:45:57 PM. 22122
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