Data Management - Foundations - C175 exam (100% correct and graded A+)

ad hoc query - Answer-A "spur-of-the-moment" question. analytical database - Answer-A database focused primarily on storing historical data and business metrics used for tactical or strategic decision making. availability - Answer-In the context of data security, it refers to the accessibility of data whenever required by authorized users and for authorized purposes. Centralized - Answer-A database located at a single site. cloud database - Answer-A database that is created and maintained using cloud services, such as Microsoft Azure or Amazon AWS. data - Answer-Raw facts, or facts that have not yet been processed to reveal their meaning to the end user. data anomaly - Answer-A data abnormality in which inconsistent changes have been made to a database. For example, an employee moves, but the address change is not corrected in all files in the database. data dependence - Answer-A data condition in which data representation and manipulation are dependent on the physical data storage characteristics. data dictionary - Answer-A DBMS component that stores metadata—data about data. Thus, the data dictionary contains the data definition as well as their characteristics and relationships. A data dictionary may also include data that are external to the DBMS. Also known as an information resource dictionary. See also active data dictionary, metadata, and passive data dictionary. data inconsistency - Answer-A condition in which different versions of the same data yield different (inconsistent) results. data independance - Answer-A condition in which data access is unaffected by changes in the physical data storage integrity - Answer-In a relational database, a condition in which the data in the database complies with all entity and referential integrity constraints. data management - Answer-A process that focuses on data collection, storage, and retrieval. Common data management functions include addition, deletion, modification, and listing. data processing (DP) specialist - Answer-The person responsible for developing and managing a computerized file processing system.