The term that can be used in a query to refer to blank cells is ________
Fill in the blank(s) with correct word
null, is null
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Which of the following should NOT be done if Access give you a security warning about your database?
A) Run a virus scan on any file before you say it should be trusted. B) If you know the database is safe, you can trust a database permanently by storing it in a trusted location. C) Do not click Enable Content in the security warning if you are not sure if the database is safe. D) Enable the content. Nothing bad will happen, even if there is a virus embedded in the file.
What does carrier sense mean on an Ethernet network?
What will be an ideal response?
If you add text or graphics to a document, but you don't make any changes to the headings, you need to update ____.
A. the entire table B. only the page numbers C. the footnotes D. the alignment
A subset of e-commerce that uses social networks to assist in marketing and purchasing products is known as ________ commerce.
A. crowd B. source C. friend D. social