The three real-life objects that are instances of each of the following classes are given below:
a.<u> Song:</u>
The song Believe in yourself is an instance of song class
The song Where do broken hearts go is an instance of song class.
The song Ambition is an instance of song class
b. <u>CollegeCourse</u>
The College course Engineering is an instance of College course class
The College course Accounting is an instance of College course class
The College course Medicine is an instance of College course class
c. <u>Musician:</u>
The musician Rihanna is an instance of musician class.
The musician Sean Paul is an instance of musician class.
The musician Wyclef is an instance of musician class.
Real-life objects refer to the things that are characterized together as they share common qualities. The assignment simply wants you to name examples under the categories given.
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Answer:
ALTER TABLE Products
ADD Products_price float(5,2) DEFAULT 9.99,
ADD Adding_time datetime;
Explanation:
So at first we need to use ALTER TABLE statement, when we use this statement we also need to provide the table name. In this case, i assume it is 'Products'.
Then, as per question, we need to add two columns.
The first one is 'product_price' and it contains decimal points. So, we need to use ADD statement and give a column name like 'Prodcuts_price' and its datatype 'float' because it contains decimal or floating points. so, for 3 digits on the left and 2 digits on the right, it makes a total of 5 digits. So, we need to declare it like this. (5,2) it means a total of 5 digits and 2 after the decimal point. after that, we need to set our Default value using the DEFALUT statement. so DEFAULT 9.99. it will set the default value to 9.99 for existing products.
And for our next column, we give its a name like 'Adding_time' then it's datatype 'datetime' because it will contain date and times.
Answer:
Perform data backup on the work computer
Explanation:
It is very important that at every point in time that a technician will perform a maintenance, repair, or troubleshooting. the data on the work computer should be backed up to avoid loss. This is done to avoid data loss resulting from failure from hardware or software, backup provides copy of critical data immediately the maintenance is done, therefore backup is very important before any troubleshooting is done.
The bastion host node is typically an influential server with better-quality security actions and custom software. It frequently hosts only a single request because it wants to be very good at whatever it does. The software is commonly modified, limited and not obtainable to the public. This host is envisioned to be the strong fact in the network to care for the system last it. Therefore, it often endures unvarying maintenance and audit. Occasionally bastion hosts are used to draw occurrences so that the basis of the attacks may be outlined. The bastion host practices and filters all inward traffic and averts malicious traffic from incoming the network, acting much like a gateway.
A mean is another word for average (kind of)
