GCC Ted 46. An OLTP database is typically constrained to a single application. To effectively perform analytics, you need a data warehouse and usage of OLAP. A) True B) False 47. Accessing data from relational databases may require complex writing of SQL queries. The consequences of getting it wrong are greatly increased. A) True B) False 48. A Data Warehouse usually contains volatile data that is constantly updated. A) True B) False 49. Data analysts sort through huge data sets using sophisticated software to identify undiscovered patterns and establish hidden relationships, whereas data miners focus on inference, the process of deriving a conclusion based solely on what is already known by the researcher. A) True B) False 50. Market segmentation is an application of data analytics. A) True B) False