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资源说明：Introduction to Databases
The Database Concept Describe a database as a persistent organised store of data Explain the use of data handling software to create, maintain and interrogate a database. The DBMS Describe how a DBMS allows the separation of data from applications and why this is desirable Describe the principal features of a DBMS and how they can be used to create customised data handling applications Relational Databases Understand the relationship between entities and tables Understand the components of a relational database, such as tables, forms, queries, reports and modules understand the logical operators in framing database queries Explain the use of key fields to connect tables and avoid data redundancy Describe methods of validating data as it is input
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