Answer:
Data manipulation languages are used for the retrieval of the,insertion,deletion and modification of data.
Explanation:
Data Manipulation Languages(DML) are used to insert,delete,update,modify the data in the database.
The commands used to do these operations are as following:-
INSERT INTO :-This command is used to insert values in the database.
DELETE:-It is used to delete existing records from the table.
UPDATE:- It is used to modify the records in the table.
SELECT:- It is used to select data from database.
Answer:
At entry level of any job, the reading that is essential to know is "<u>User manual</u>" Reading.
Explanation:
In any company or the firm in which some one wants to start at entry level, He needs to know about different rules, components, machines and systems of the company. To fulfill this purpose he needs to read some documents related to operations and functionalities of above mentioned parameters.
<em>These documents are called User Manuals. It contains all necessary information related to the system that will be helpful for the user. In this document step by step process are mentioned to handle the machine or device that is very helpful for entry level employ.</em>
The answer is A create a password
Answer:
True.
Explanation:
A proxy server, for example, can hide the true origin of a request, thus, keeping your IP address private, and non-visible to the internet. However, this won't necessarily keep malicious attackers from reaching your network. A proxy simply acts as an intermediary between you, and the server you are trying to reach.
Firewalls or an Intrusion Detection Systems (IDS) are pieces of software specifically designed to keep attackers out of your system, they can analyze the web traffic and detect malware, or they can prevent the delivery of some packages, based on its content if the IDS consider it's malicious.
Electricity is one of the most common causes of fire in homes and workplaces. Electrical accidents appear to be caused by a combination of two factors: 1. Unsafe equipment and/or installation; 2. Workplaces made unsafe by the environment
So the answer would be D)Faulty electricity
