Answer: (D) Exclude “Programming” as a topic
Explanation:
So when programming is excluded as a topic then whenever one searches for that coffee beans then it will not show up on websites related to programming. In this way it restricts the web server to host ads in irrelevant sites.
Answer:
2 lines
Explanation:
The "w" flag will overwrite any content, so the existing 80 lines are lost.
Then, if you write two lines, there are two lines in the file.
You could argue that the final newline character causes a third line to be present, but logically, there are two lines.
Answer:
Select commands would return all the rows and columns in the table.
Explanation:
In the database management system, it consists of one or more table. To handle this table it provides the concept of SQL(Structured Query Language). It is a programming language that design, manage, store data into the relational database. It is case sensitive language. In the SQL many commands used for handle table data, it returns all rows and columns from the table.
Syntax of select command can be given as:
Select * from tablename;
Example:
select * from ProductCategory;
returns all the data from the table.
In select command, we will also return select data by using condition
SELECT column1 [, column2, ...]
FROM tablename
WHERE condition
In the conditional clause we use these operators that can be given as:
= Equal, > Greater than, < Less than, >= Greater than equal to, <= Less than equal to, != Not equal to.
Answer:
Option C is correct.
Explanation:
When the supply of system engineers rises while demand for such workers falls at the similar period, Wages will drop while competition for employment rises.
According to the law of demand, when the supply of one commodity is increased then the demand for other commodity falls. So, the following option C is correct according to the following scenario.
Other options are incorrect because they are not relevant according to the following scenario.
<span>c. database is the answer.</span>
