Comparative Study of Mainstream Database Security Features Essay

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Comparative study of mainstream database security features by JiaLiang Mao Abstract Up until now, database management system has become main components of various kinds of dynamic web and applications. In these database management systems, there might be stored some significant sensitive and classified data. Developing database security theories and technology researches have become urgent needs for achieving database system security. Currently there are many database management systems for users to choose. So it becomes an important issue for people to decide how to choose a suitable database system. This paper research some mainstream database system to compare their security performance, structures, security strategies, etc. Statement of Originality I certify that this thesis contains no material which has been accepted for the award of any other degree or diploma in any institute, college or university, and that, to the best of my knowledge and belief, it contains no material previously published or written by another person, except where due references is made in the text of the thesis. ----------------------------- JiaLiang Mao , 2012 Table of Contents Abstract iii Statement of Originality iv Table of Contents v List of Figures vii List of Tables viii Chapter 1 Introduction 1 Chapter 2 Background 2 2.1 Comparison of a variety of databases 3 2.2 Control Access 5 2.2.1 Traditional database system access control 5 2.2.2 Role-Based Access Control 6 2.2.3 Usage Control Access 6 2.3 Encryption 7 2.3.1 Symmetric Key Encryption 7 2.3.2 Asymmetric Key Encryption 7 2.3.3 Column-level encryption 7 2.3.4 Transparent data encryption (TDE) 8 2.3.5 Extensible Key Management (EKM) 8 2.4 Data Integrity 8 2.4.1 Threats to Data Integrity 9 2.5 Authentication 9 2.5.1 User Authentication 10 2.5.2 Password

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