Using SQL  1) Make a list of customers with the list of order# and the amount of dollars that they paid for each of their orders, sort by customer last name. 2) Make a list of customers with the total amount of dollars that they paid for all their orders combined (for each customer). 3) Make a list of categories and number of books in each category, sort by category name.

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SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.