Database Modeling, System Design, And Improve Performance

MODELING As databases and technology have evolved, Elmasri and Navathe point out that increasingly complex data structures for modeling to meet the needs of the more advanced and larger databases that were also beginning to include newer data types (2016). As stated before, with more complex databases, there are more vulnerabilities in security that need to be planned for and mitigated wherever possible. A DBMS is responsible for designing the methods in which data recovery and security is handled, while tools are used within database modeling that facilitate modeling, system design, and improve performance (Elmasri Navathe, 2016). When applying these tools to database creation, security should always be considered in each step of modeling and creating the database. The DBMS provides a security and authorization subsystem to the DBA so that they can use it to create accounts and specify account restrictions (Elmasri Navathe, 2016). AGGREGATION AND INFERENCE Aggregation occurs when a user combines individual pieces of data that they have access to in order to infer more of the bigger picture which they do not have access to, which can happen when a user only has access to some records but draws enough information from the ones they do have access to in order to figure out information that has been deemed off limits to them (Harris, 2002). This is, of course, a potential security risk which should be corrected. On the other hand, knowledge representation techniques,Show MoreRelatedThe Data Frameworks And Business Necessities Speak With Different Groups On The Advancement Of Information Models Essay1523 Words   |  7 Pagesdemonstrating and sharing fundamentally concentrates on a database s portion issues. The Data Modeler creates information models to address the association s issues data Frameworks and business necessities speak with different groups on the advancement of Information models. 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