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1“Stand firm in your refusal to remainconscious during algebra. In real life, Iassure you, there is no such thing asalgebra.”-- Fran Lebowitz,Social StudiesSQL: Structured Query LanguageINFO/COM S 230:Intermediate Web Design andProgrammingSQL“Real” database queriesHow do we really pose queries to arelational DBMS? Industry standard:using the language SQL.• Soon: How to use SQL via the MySQLDBMS.• After that: How to use SQL from PHPvia MySQL.• For now: How to write SQL queries.…via relational algebraTo do this, we’ll show how we canimplement each of the relational algebraoperators in SQL.SQL basics: selection andprojectionEasy PDF Creator is professional software to create PDF. If you wish to remove this line, buy it now.
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