In the case above, The asterisk helps database or tell it to select all data that meets the criteria as stated in the query.
<h3>What does asterisk (*) mean in SQL?</h3>
The term means all columns. Note that The asterisk or star symbol ( * ) is a term that implies all columns in a given database.
Therefore, In the case above, The asterisk helps database or tell it to select all data that meets the criteria as stated in the query.
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The organizational structure described here, which is known as vertical organizational structure, is also commonly identified as tall organizations.
They usually have hierarchical structures, with the CEO being at the very top of the layer. Tall organization have multiple levels, compared to its counterpart, the flat organization or horizontal, which would only have one level.
The managers at Peter’s company have an Autocratic environment.
<u>Explanation:</u>
The managers who are autocratic in nature make decisions on their own. They will never get insights of their employees and they will not take the inputs of them in taking any decisions. This type of management is suitable in an organisation where there is an urgent need to taking decisions to any matter.
Managers who are autocratic in nature will make decisions without consulting anyone's advice. This type suits those organisations wherein there are very less number of employees. Here, the manager of Peter did not consulted peter in making decisions related to him, the environment is authoritarian or autocratic.
Local Are Network (LAN) is a network that connect computer (or other network devices) in a limited area (local area).
Wide Area Network (WAN) on the other hand is a network that connects computers on a a large geographical area. According these definitions, the following statement is true:
C) wide are network allow users to share files with a secure connection
Answer: OOP concepts in Java are the main ideas behind Java’s Object Oriented Programming. They are abstraction, encapsulation, inheritance, and polymorphism. Grasping them is key to understanding how Java works. Basically, Java OOP concepts let us create working methods and variables, then re-use all or part of them without compromising security.
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