Database management system

professionally execute his role: 1. A DBA should have good awareness of physical database design. 2. He should have the best knowledge of the operating system. 3. He should be excellent in all Oracle utilities and tools. 4. He must be able to deliver a planned database direction to the enterprise. 5. His personality must possess a sharp aptitude to execute the best performance of operating system and Oracle database. 6. He must have excellent and up-to-date knowledge of various scenarios of…

criminal and storing into a database. There are two basic applications of DNA testing in law enforcement; the first involves collecting DNA samples from a crime scene and comparing them to determine if they are a match. The second application involves constructing a database of the DNA from known criminals (Tracy & Morgan, 2000). This second application would seem to only be useful if the…

My initial thoughts and feelings walking into the courthouse were one of nervousness, and excitement. I was nervous to be in the presence of criminals, and to go through security. Also, just being around people with such high authority is intimidating. I was really excited though, I have always been interested in the workings of a trial. I was anxious to hear what the case I was sitting in on was all about, and do come up with theories and verdicts of my own. The spatial arrangement in the…

Data integrity ensures that data is ultimately accurate. This is important when trying to analyze data that is stored in the database or data warehouse. Inaccurate data will lead to false results in reporting and analytics that will affect any business decisions that need to be made. When dealing with data integrity, having the full or complete set of data is a necessity. If only half or some of the data is entered than it cannot be considered accurate. There are several ways to ensure that data…

monitoring and analysis of the entire population of records. The premise of this methodology is based on the concept of “audit by exception” where deviations (e.g. control variances) are flagged as alerts and forwarded to the responsible parties (e.g. management, internal auditors, business owners) for investigation. Continuous auditing has evolved from an academic theory to a process applied in practice (Vasarhelyi et al., 2012). With the advent of technology, continuous auditing has gained…

What is a relational database? It is a database that stores the information about both data, for example for a person detail that is link with their car details that they have bought it from the company. The data and relationships are showed in an entity which is in a flat, two dimensional tables. We would use a relational database in a company such as a car company so when they want to store their customers information and what car did they buy, they use a relational database which stores the…

Society is a machine, supposed to function without a hitch, everybody acting and fulfilling their certain parts, and upholding the ceaseless standards that it entails. The question that remains is what is to become of those who find themselves, deemed unable to fit into societies’ functions and workings. Are they to be controlled, suppressed, or reformed to serve a better purpose in the “machine” of society, or are they supposed to be eliminated or silenced. These are some of the main topics…

In order to have a good relational database and to avoid unnecessary data in your database systems you are required to perform normalisation. According to Rob et al., (2008) Normalization is a process for evaluating and correcting table structures to minimize data redundancies, thereby reducing the likelihood of data anomalies. √ Normalisation helps us to structure our database tables effectively in order to improve the performance of the database systems. Once you have a good structured table,…

Implementation Once the database had all the variables set up, Umbrella Gaming is allowed to input customer data and run tests. Real customer data is needed for accurate analysis results. Umbrella Gaming should strive to obtain accurate data through an individual’s registration process, and tracking of online information. From this point on, the company is able to use the database to achieve its marketing objectives. For instance, Umbrella Gaming could run a one sample t-test to see the average…

the processes involved in conducting transactions. They are a subset of digital currencies having no physical representation. Unlike other forms of currency that are backed by a central bank, cryptocurrencies operate as a a completely decentralized system meaning there is no governing body verifying transactions. Cryptocurrencies consist of more than just Bitcoin. It 's structure is followed by hundreds of alternate "coins" that each offer unique features. Litecoin for instance was designed for…