WRITE THE CODE OF MYSQL IN PYTHON  Create database and tables as given below by using Python. (a)  Market database (b)  Vendor: vendor_id integer, vendor_name varchar, license_start date, license_end date (c)  Item: item_id integer, item_name varchar, item_type varchar, previous_price float, last_sold_date date (d)  Auction: auction_id integer, vendor_id integer, item_id integer, price float Choose primary and foreign keys depending on the relations in Market database design.

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Q: I am trying to write a an essay on the five step design method for relational databases

A: The above question is solved in step 2 :-

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Q: Construct appropriate relational schemes for each of the E-R diagrams below.

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Q: What are homonyms and synonyms, and why should they be avoided in database design?

A: What are homonyms and synonyms, and why should they be avoided in database design?

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Transaction Processing

Transaction processing is a computational style generally performed by server computers, which supports interactive applications (apps). Transaction processing is also known as information processing, which divides the work into indivisible and individual operations called transactions. The transaction is a set of tasks; a single task is considered as the minimum processing unit that cannot be divided again.