Digital TV uses a digital signal, or series of 0s and 1s, and is much clearer and less prone to interference than analog TV.<span> It improves reception, offers better picture and sound quality, </span>
In analog television, in which the video and audio are carried by analog signals. In digital they are carried with digital encoding.
SQL queries are used to return results from a database table or multiple tables.
If the PRICE column contains null values, then (b) the statement would fail because values cannot be divided by 0.
The query is given as: SELECT NVL(10 / price, '0') FROM PRODUCT
From the query, the query is to first divide 10 by the value of the PRICE column.
If the PRICE column contains 0, then it means that price = 0
A division by 0 is not possible.
So, the query would fail
Hence, the true statement is (b)
Read more about SQL queries at:
brainly.com/question/15049854
Answer:
Sputnik
Explanation:
On October 4, 1957, a Soviet R-7 intercontinental ballistic missile launched Sputnik (Russian for “traveler”), the world's first artificial satellite, and the first man-made object to be placed into the Earth's orbit.
