Write one SQL statement to create a view named ctype_view (that must not be dropped if it already exists) to display the information exactly as listed below. The column “Customer TYPES” is derived from the ctype values as follows” P-Prestige, C-Clandestine, O-Ordinary, L-Loyal, else Undefined (Use DECODE to derive these values). Column ctotal represents the number of customer types of the specific type and column ototal represents the total currency value of all the orders placed by customers of a specific customer type.

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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.