Database management is a concept made of two crucial terms; database and management. The database is the collection of data, while management is the process to manage that data. The process enables an individual to effectively manage and retrieve data from a system. Database management aims to store data and manage security practices across the cycle of the data. It can include designing, implementing and management of data stored in the computer system for maximising the value. Precisely, database management has three key processes;
- Defining data: the first step is to define data that is structured and sort the data in different rows and columns.
- Updating data: The second step is to update the data and remove the rows and columns that are no longer needed.
- Retrieving data: the third step is to retrieve data in the database using a structured query language.
- As an IT student, you should know about different DBMS; centralised, distributed and federated.
- Centralised DBMS is the one wherein all the data lives in one place. Users have to access the data through it.
- Distributed DBMS is the one wherein data lives at different places/computers. DBMS software helps in managing any failures in the data.
- Federated DBMS is the one where the data is provisioned with no duplication of data.
Database management assignments are extremely typical and there is a need for the students to have a thorough understanding of the concepts. There can be questions related to different databases that can be difficult to deal with, especially for the students who have a lack of knowledge of the subject.
Different databases can include data warehouse, operational database, analytical database, hypermedia database and end-user database. Data warehouse aims at collecting information from different sources. The operational database stores the information of the firm and is needed by the managers to record the salaries of employees, attendance and many other tasks of the organisations. The analytical database is helpful in managing the analytical data using the data analysis tools. Assignments on analytical databases can be more typical than other types of databases. A hypermedia database is a collection of data on the web which is needed by firms to manage their data on the cloud. Then there is an end-user database that supports critical files like word files, presentations and spreadsheets. All these database types are crucial to be understood by the IT student so that he can do different assignments.
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