Question

To create Library table with the bookid, bookname, qty and price as attributes where bookid is the
primary key.
Perform the following queries:
a. Insert 3 records into table Library
b. select the details of books on the descending order of book name
c. Delete the books with qty above 50

Answer 1

In 1698 Thomas Savery patented a pump with hand-operated valves to raise water from mines by suction produced by condensing steam. In about 1712 another Englishman, Thomas Newcomen, developed a more efficient steam engine with a piston separating the condensing steam from the water

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