Second, we constructed a query that returns the total sales amount by sales staff and year by querying data from the orders, order_items and staffs tables.

the CTE returns a result that that consists of three columns staff, year, and sales derived from the definition query.

First, we defined cte_sales_amounts as the name of the common table expression.The following picture shows the result set: INNER JOIN sales.staffs s ON s.staff_id = o.staff_id INNER JOIN sales.order_items i ON i.order_id = o.order_id SUM(quantity * list_price * ( 1 - discount)), WITH cte_sales_amounts (staff, sales, year) AS ( This query uses a CTE to return the sales amounts by sales staffs in 2018: Let’s take some examples of using common table expressions. We also use CTE in the queries that contain analytic functions (or window functions) SQL Server CTE examples We prefer to use common table expressions rather than to use subqueries because common table expressions are more readable. Finally, refer to the common table expression in a query ( SQL_statement) such as SELECT, INSERT, UPDATE, DELETE, or MERGE.After, define a SELECT statement whose result set populates the common table expression.Then, use the AS keyword after the expression name or column list if the column list is specified.The number of columns must be the same as the number of columns defined in the CTE_definition. Next, specify a list of comma-separated columns after the expression_name.First, specify the expression name ( expression_name) to which you can refer later in a query.About SSMS generate script options in Microsoft Docs.WITH expression_name)]Ĭode language: SQL (Structured Query Language) ( sql ).Press Finish to close the generate scripts window. Finally you will see the status screen, you will see the status of the operations.Once actions are successful, you will notice the Insert script along with the schema is generated in a new query window.In the summary screen, verify the options you have selected and press Next.For this illustration, I’ve selected the option Save to new query window. Back in the Set Scripting Options screen, you have the option to save the script to a file or to the clipboard or to a Query Window.On the pop-up Advanced Scripting Options screen, under General section, in the field Types of data to script, select the either Data Only or Schema and Data or Schema Only based on your requirement.In the Set Scripting Options screen, press Advanced button.You can even select all the tables and other objects. Now, the choose objects screen, choose Select specific database objects and choose the tables you want to script.In the Generate and Publish Scripts pop-up window, press Next to choose objects screen.From the right-click menu, go to Tasks > Generate Scripts.In SSMS Object Explorer, right-click the database.

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