Video thumbnail for How to reuse complex queries with CREATE VIEW | Essential SQL

How to reuse complex queries with CREATE VIEW | Essential SQL

May 11, 2024
Learn how to create a SQL view so you can reuse your complex queries in your SQL Server, PostgeSQL, and MySQL databases. More importantly watch until the end if you want to know how do a case insensitive replacement in PostgreSQL. One Last Thing... This video is part of my Intermediate Learning series. If you're interested in learning SQL subscribe to @Essential SQL and then check out our Intermediate Learner Playlist. Of course, I also encourage you to visit https://www.essentialsql.com to learn even more! Important links: Sample PizzaDB: https://github.com/kwenzel1/EssentialSQLSamples/tree/master/PizzaDB Corresponding Article: https://www.essentialsql.com/sql-coalesce-function-and-null/ Source Code: --First Query select o.CustomerOrderID, o.OrderDate, c.CustomerID, c.LastName, Sum(i.Quantity * p.Price) OrderPrice, cast(Sum(i.Quantity * p.Price) * isnull(cp.PercentDiscount ,0) / 100.0 as numeric(14,2)) DiscountAmount, cast(Sum(i.Quantity * p.Price) * (1.00 - (isnull(cp.PercentDiscount ,0) / 100.0)) as numeric(14,2)) FinalOrderPrice from CustomerOrder o inner join Customer c on o.CustomerID = c.CustomerID
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