158) The ________ database design describes how the data elements in the database are to be grouped.
159) The process of creating small, stable, yet flexible and adaptive data structures from complex groups of data is called ________.
160) Database designers document their data model with ________.
161) A line connecting two entities that ends in two short marks designates a ________ relationship.
162) A ________
is a database that stores current and historical data of potential interest to decision makers throughout the company.
163) The data warehouse makes the data available for anyone to access as needed, but it cannot be ________.
164) A data warehouse system also provides a range of ad hoc and standardized query tools, ________ tools, and graphical reporting facilities.
165) A ________
is a subset of a data warehouse in which a summarized or highly focused portion of the organization's data is placed in a separate database for a specific population of users.
166) ________ are applications and technologies to help users make better business decisions.
167) Data ________ describes a situation in which the same attribute of a data entity may have different values.