The ________ function returns the number of fields that have data entered in a particular column but ignores null values
Fill in the blank(s) with correct word
Count
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To create envelopes using mail merge, the data source must be an Excel or Access file
Indicate whether the statement is true or false
If you suspect that a Windows problem is related to the database that stores hardware and software configuration information, which Windows component should you investigate?
A. ActiveX B. Plug and Play C. Component Object Model D. Registry
Mike has a flash memory card that he would like to reuse. The card contains sensitive information. What technique can he use to securely remove data from the card and allow its reuse?
A. Degaussing B. Physical destruction C. Overwriting D. Reformatting
Which of the following is most accurate concerning data warehousing and big data architecture?
A. Big data is so large that standard relational database management systems do not work. Data must be processed by parallel processors. B. Data is processed using auto-synthesis to enhance processing speed. C. Data warehouses are used for long-term storage of archive data. D. Data can never be processed in real time.