In the case above, The asterisk helps database or tell it to select all data that meets the criteria as stated in the query.
<h3>What does asterisk (*) mean in SQL?</h3>
The term means all columns. Note that The asterisk or star symbol ( * ) is a term that implies all columns in a given database.
Therefore, In the case above, The asterisk helps database or tell it to select all data that meets the criteria as stated in the query.
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Answer:
Like ordinary random access memory (RAM), it can be repeatedly read, written to, and erased. Intended mostly for removable computer storage, DVD-RAM provides the capabilities of Rewriteable CD (CD-RW) - users can run programs from the discs, copy files to them and rewrite or delete them.
Sending letters is easier when an individual is using an email. Emails are very easy to access, they can be sent twenty four / seven (24/7) and can also be received 24/7. Examples of email programs are yahoo and google websites.
Themes are selected in different tabs. It varies.
Answer:
The energy source that does not use heat in the process of converting it to electricity is;
c. Sunlight
Explanation:
In converting Sunlight energy source to electricity, the photons in the light from the Sun excite electrons in the solar cells silicon layers, such that the electrons travel from n-type silicon layer to the p-type silicon layer creating electric potential energy that does work as the electrons flow back in the form of electricity from the p-type to the n-type silicon layer through an external circuit