What is the primary purpose of transactional data?

• To support managerial analysis tasks

• To support daily operational tasks

• To provide historical insights

• To enhance data security

Which of the following is NOT a characteristic of high-quality data?

• Inconsistent

• Timely

• Complete

• Accurate

What does data governance refer to?

• The management of data storage

• The management of data availability, usability, integrity, and security

• The analysis of data trends

• The collection of data from various sources

What is the role of a data steward?

• To manage data storage systems

• To ensure data policies and procedures are implemented

• To oversee data security measures

• To analyze data for business insights

Which of the following describes a data warehouse?

• A system for real-time data processing

• A logical collection of data for business analysis

• A type of database management system

• A tool for data visualization

What is the purpose of data cleansing?

• To aggregate data from multiple sources

• To improve data quality by fixing errors

• To enhance data security

• To visualize data trends

What does the term 'data redundancy' refer to?

• The use of outdated data

• The process of data aggregation

• The absence of data integrity

• The duplication of data in multiple places

Which of the following is a benefit of high-quality data?

• Higher costs of data management

• Improved decision-making

• Increased data inconsistency

• Increased data redundancy

What is a primary key in a relational database?

• A method for data cleansing

• A type of data model

• A tool for data visualization

• A field that uniquely identifies an entity

What is the main challenge of business intelligence?

• Complexity of data sets

• Data storage

• Data visualization

• Data security