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A You are approached by a super market owner who sells grocery, counter top medications, cosmetics , and stationary He has outlets in various prime
A You are approached by a super market owner who sells grocery, counter top medications, cosmetics and stationary He has outlets in various prime locations in your city. The owner has decided to upgrade his current data base system which stores all the data in a single table. You ans responsible for identifying the various tables required by the super market chain. In this regard, help him to upgrade his databases by doing the following tasks.
a Identify the entities, attributes, relationship, and give the relational schema required for the database.
Write create statements to create the required tables. marks
Write query to get the details of the product sold for more than Rs from his various branches from the sales data. marks
Write the relational algebra expression for the SQL query. marks
Draw the Query tree for the relational algebra expression and calculate the cost assuming the number Calculate of tuples in each table. marks
marks
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