The Database Environment Which of the following is true for a relational database? It is difficult to access data. All of these Complex programs have to be written for simple queries. Data is represented by tables. It is difficult to access data. All of these Complex programs have to be written for simple queries. Data is represented by tables. ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Database management systems were first introduced in the 1950s. True False True False ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Duplicate data often results in loss of data integrity because: data values may not agree. Neither A & the data formats may be inconsistent. Both A & data values may not agree. Neither A & the data formats may be inconsistent. Both A & ANSWER DOWNLOAD EXAMIANS APP
The Database Environment The source of the data is sometimes called the system of record. True False True False ANSWER DOWNLOAD EXAMIANS APP
The Database Environment A database application can perform which of the following activities? Add records Update records All of these Read records Add records Update records All of these Read records ANSWER DOWNLOAD EXAMIANS APP
The Database Environment Legacy data is which of the following? Data rejected during the installation of a new system Data contained in a newly-installed system Data contained in a file system Data contained by a system used prior to the installation of a new system Data rejected during the installation of a new system Data contained in a newly-installed system Data contained in a file system Data contained by a system used prior to the installation of a new system ANSWER DOWNLOAD EXAMIANS APP
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