Answer:
Computers are now a days the very important part of each department as well as homes. All people are somehow using computers for their respective needs. As technology always has the negative impacts along with the positive ones so, computer do have some crucial points when taking about students specially.
Following are listed some acts that add to the negativity of computer's usage.
- Excess use of computers by students while solving mathematical problems lead them to rely totally on the computer. Students don't tend to calculate by their own instead they use computerized calculators for their ease and hence they start lacking even in basic calculations in normal routine also.
- Computers may impact students routine in such a way that they don't concentrate on their studies while having extreme interest in video games and their favorite seasons and other activities.
- Using computers more than a certain limit effects eyesight badly. This is the reason today most of the teenagers use spectacles in normal routine.
<h3>I hope it will help you! </h3>
Explanation:
Concatenation allows you to add multiple strings together to form one long string by using the '+' operator between each string, so the purpose of concatenation is "<em>to combine two or more strings into one big string</em>" (third option).
Hope this helps :)
Answer:
Self Join
Explanation:
Required
The type of JOIN
Notice that the given query joins the customer table and the order table without using the keyword join.
SQL queries that join tables without using the keyword is referred to as self join.
<em>Other types of join will indicate the "join type" in the query</em>
