Describe the difference between an INNER JOIN, a RIGHT JOIN, and a LEFT JOIN. Provide a business example where you would want to use each type of join.
A join is used to query data from multiple tables and returns the combined result from two or more tables through a condition. The condition in the join clause indicates how columns are matched between the specified tables. The Left Join Clause joins two or more tables and returns all rows from the left table and matched records from the right table or returns null if it does not find any matching record. It is also known as Left Outer Join. The Right Join clause joins two or more tables and returns all rows from the right-hand table, and only those results from the other table that fulfilled the specified join condition. If it finds unmatched records from the left side table, it returns Null value. It is also known as Right Outer Join. Inner Join are returns records that have matching values in both tables.
In describing a commonwealth, Hobbes calls the head of the Leviathan and the carrier of the combined state’s power, a “sovereign.” However, in this quote, he states that one is not considered a sovereign unless their power is supreme and unlimited. This cannot be achieved in the case of unrestricted representatives or two sovereigns, as their powers would potentially limit each other. They would also not be superior to each other and thus, not supreme. Therefore, to be considered a sovereign, the head of the Leviathan must be an individual with unlimited power.
Though governed by a single ruler or a monarch, the Leviathan is one of republican origins and purposes as it was made by the people, in service of the people, which leave them accountable to the great Leviathan’s actions. This is highlighted in Hobbes’ definition of the Commonwealth:
“one person, of whose acts a great multitude, by mutual covenants one with another, have made themselves every one the author, to the end he may use the strengths and means of them all, as he shall think expedient for their peace and common defense” (Hobbes, pg.109, s.13).
In this passage, Hobbes recognizes that in agreeing with the social contract the people accept accountability or “make themselves the authors” of the sovereign’s actions or legislation. He also recognizes that such legislations are created with the sole purpose of guaranteeing the public’s will for peace and common defense. Therefore, being the co-authors and benefactors of these laws, the public is as influential to the reigning of a commonwealth as the sovereign is, making it a rule by all through the ruling of one. When listing the rights of a sovereign in a Leviathan, Hobbes claims that it is impossible to i