Yes, horizontal rows are periods. “All of the elements in a
period have a similar number of atomic orbitals. Each element in the top row
(the principal time frame) has one orbital for its electrons. The greater part
of the components in the second column (the second time frame) has two orbitals
for their electrons. It goes down the occasional table that way. As of now, the
most extreme number of electron orbitals or electron shells for any element is
seven."<span>
<span>The vertical columns are groups. "The elements in a
group have the same number of electrons in their outer orbital [and thus the
same charge]. Every element in the first column (bunch one) has one electron in
its external shell. Each element on the second segment (assemble two) has two
electrons in the external shell. As you continue tallying the segments, you'll
know what numbers of electrons are in the external shell.</span></span>
Commonly known as book stapling, ‘saddle stitched’ is one of the most popular binding methods. The technique uses printed sheets which are folded and nestled inside each other. These pages are then stapled together through the fold line. Saddle stitched binding can be applied to all book dimensions and both portrait and landscape orientation.
Answer:
SELECT
COUNT(SN), SUM(TaxAmount)
FROM ORDERS
or
SELECT
COUNT(SN) AS NumOrder, SUM(TaxAmount) As TotalTax
FROM ORDERS
Explanation:
Finding it difficult to add my explanation. So, I used an attachment instead
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Grace Murray Hopper invented it
Verifying, The answer above me is correct