Data Management - Foundations - C175

ad hoc query correct answers A "spur-of-the-moment" question. analytical database correct answers A database focused primarily on storing historical data and business metrics used for tactical or strategic decision making. availability correct answers In the context of data security, it refers to the accessibility of data whenever required by authorized users and for authorized purposes. Centralized correct answers A database located at a single site. cloud database correct answers A database that is created and maintained using cloud services, such as Microsoft Azure or Amazon AWS. data correct answers Raw facts, or facts that have not yet been processed to reveal their meaning to the end user. data anomaly correct answers 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 correct answers A data condition in which data representation and manipulation are dependent on the physical data storage characteristics. data dictionary correct answers 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 correct answers A condition in which different versions of the same data yield different (inconsistent) results. data independance correct answers A condition in which data access is unaffected by changes in the physical data storage characteristics. data integrity correct answers In a relational database, a condition in which the data in the database complies with all entity and referential integrity constraints. data management correct answers A process that focuses on data collection, storage, and retrieval. Common data management functions include addition, deletion, modification, and listing.