Computer Science
Describe at least five roles of an Oracle DBA
Because an Oracle database framework can be very substantial, at least one person or a gang of individuals must be deployed in its administration. The database admin is the title given to this supervisor (DBA). Organizational responsibilities must be performed by at least one person in the administration. The following are among the Oracle DBA’s tasks and obligations (Bryla & Loney, 2013).
The DBA’s first responsibility is to install the Oracle Database Software. It is the responsibility of the DBA to configure the Oracle Database processor application, database technologies, and any device that can gain entry to the database. In several dispersed processing implementations, the central computer controls the database. In the dataset scenario, the devices and software are implemented on distant computer systems.
DBA is also responsible for planning. It is essential to organize how the rational memory framework of the dataset will impact framework effectiveness and numerous database managerial procedures. For example, it is critical to comprehend how many documents would constitute the filesystem before the establishment of any tablespaces for information records, the type of data to be saved in every tablespace, and which hard disk drive the files will be deposited on. During the scheduling procedure, the DBA should recognize the consequences that may arise throughout the formation and operation of the dataset.
Database restoration and backup: A DBA assists in the preservation or restoration of information to back up valuable files for the organization and assist in the restoration of that information if any dangers or challenges arise.
The other DBA role is dataset productivity tuning. He or she must maximize the dataset’s effectiveness. Oracle dataset comprises a dataset resource managerial functionality that allows professionals to apportion resources among different clusters of users.
Authentication: It grants staff members access to an essential dataset safety and regulates who has obtained and what sort of access has been granted to the content dataset.
What functionalities are required within a Relational Database Management System?
Consistency. This feature guarantees that each operation moves the dataset from one viable condition to the next. The information stored in the dataset should be legitimate according to delineated regulations, which may incorporate cascades, restrictions, provokes, and any combination thereof. This does not assure the transaction’s accuracy in all aspects that the coder may have aimed, but it ensures that any coding mistakes do not infringe the regulations.
Isolation. This feature guarantees that the concurrent implementation of transactions results in a framework condition that can be acquired if transactions are performed concurrently. The primary objective of concurrent control is to provide transaction exclusion.
Durability. This feature guarantees that when a transaction is completed, it remains unaltered even if there is an electricity outage, a mistake, or a collapse. For instance, in a relational dataset, once a collection of SQL statements is implemented, the outcomes should be saved even if the dataset collapses instantly afterward. In addition, to protect against breakdown, the transactions should be documented in non-volatile memory.
What’s the best OS to install Oracle Database 12c, Windows, Unix, or Linux?
An operating system is one of the important software that is used to run a computer (Truică, Rădulescu, Bucur & Boicea, 2015). It manages all the operations of the computer, including the memory and other processes. Unix/Linux is the perfect operating system to install Oracle because of the significant benefits it delivers over Windows, such as finest safety characteristics that decrease vulnerability variables such as structure data theft and malware, a great achievement as it allows for multiple tasks and huge and crucial databases can operate on it conveniently. On the other hand, Windows operating system has remained popular since it is simple to comprehend, preserve, and establish, and it has great assistance and recourses accessibility due to its low-level abilities and understanding. However, this does not render it the finest operating system for installing Oracle.
References
Bryla, Bob, and Loney, Kevin. (2013). Oracle Database 12c The Complete Reference. US: McGraw-Hill Osborne Media.
Ciprian-Octavian Truică, F. Rădulescu, I. Bucur, & Alexandru Boicea. (2015). Performance evaluation for CRUD operations in asynchronously replicated document-oriented database. Semantic Scholar | AI-Powered Research Tool.
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