The Database Environment A data warehouse uses: future operational data. health care data. partial operational data. historical operational data. future operational data. health care data. partial operational data. historical operational data. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Stand-alone databases exhibit many of the same advantages common to file processing systems. False True False True ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Which of the following is true for a relational database? It is difficult to access data. Complex programs have to be written for simple queries. All of these Data is represented by tables. It is difficult to access data. Complex programs have to be written for simple queries. All of these Data is represented by tables. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Databases that contain historical and summarized information are usually called data warehouses. True False True False ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Metadata enables database designers and users to do all of the following except: sample data. what the fine distinctions are between similar data items. what the data mean. understand what data exist. sample data. what the fine distinctions are between similar data items. what the data mean. understand what data exist. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Duplicate data often results in loss of data integrity because: data values may not agree. Both A & Neither A & the data formats may be inconsistent. data values may not agree. Both A & Neither A & the data formats may be inconsistent. ANSWER DOWNLOAD EXAMIANS APP