摘要：
Realational Database Terminology1->row;2->主键列;3->普通列;4->外键列;5->普通字段值;6->普通字段null值;Using SQL to Query Your DatabaseStructured query language(SQL) is:The ANSI standard languagte for operating relational databaseEfficient,easy to learn,and useFunctionally complete(With SQL,you can def 阅读全文
摘要：
ObjectivesAfter comleting this lesson,you should be able to do the following:Understant the goals of course.Discuss the theoretical and physical aspect of arelational database.Identify the development environments that can be used fo this coureDescribe the database and schema used in this course.Cou 阅读全文