Replace SELECT * with the columns your application needs. The tests here show a query that read 4 pages instead of 64, a view that missed a new column, and two errors that appear when a table changes, all on SQL Server 2025.
Indexed View Restrictions Quiz: Which Rule Blocks the Index?
This Indexed View Restrictions Quiz asks which rule stops a unique clustered index on a view. The answer is the LEFT OUTER JOIN. A tested script shows the error, the working view, and what happens when each required rule is missing.
Types of Triggers Quiz: Which Trigger Can Fire on a View?
This Types of Triggers Quiz asks which trigger you can put on a view that joins two tables. The answer is INSTEAD OF INSERT. A tested script shows the error an AFTER trigger gives and how the working trigger splits one insert into two tables.
Indexed Views: When the Faster Reads Are Worth It
Evaluate indexed views by building a sales summary, comparing read savings with write maintenance, and using NOEXPAND where required.
Function That Returns a Table: Table Valued Functions
A function that returns a table works like a view that takes parameters. This post builds inline table valued functions over a small product table, compares them with a view and a scalar function, uses them with CROSS APPLY, and shows the two common mistakes with parentheses. Every result comes from SQL Server 2025.
WITH CHECK OPTION in SQL Server: Stop Rows Leaving a View
WITH CHECK OPTION stops a change made through a view from pushing a row out of that view. This post builds a view of large invoices, shows an update and an insert that make rows vanish, adds the option to block both with Msg 550, and compares it with a trigger. Every result comes from SQL Server 2025.
Create a View in SQL Server: Column Rules and Encryption
To create a view in SQL Server you save a SELECT statement under a name. This post builds a view over a small donations table, shows the three rules behind the most common view errors, and tests four ways to read a view’s code before and after WITH ENCRYPTION. Every result comes from SQL Server 2025.