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Can you query on a view?
You cannot reference query parameters in views. The schemas of the underlying tables are stored with the view when the view is created. If columns are added, deleted, and so on after the view is created, the reported schema will be inaccurate until the view is updated.
What is the difference between a database table and a database view?
A table consists of rows and columns to store and organized data in a structured format, while the view is a result set of SQL statements. A table is structured with columns and rows, while a view is a virtual table extracted from a database. The table is an actual or real table that exists in physical locations.
Can a view be a ” saved query “?
Knowing that a view is just a “saved query”, it appears I’m querying the base table via the view so it would seem this wouldn’t accomplish anything as far as preventing blocking. In other words if I do the following and leave these open, am I understanding that either one would block sales table writes? Thanks!
Can a select ing from a normal view block a query?
And, as you thought, SELECT ing from a normal view can temporarily block queries that are changing the underlying tables, just like SELECT ing from the tbles directly can. It depends on the code inside of dbo.view_sales. If it is querying the dbo.sales table directly, then yes, there could be blocking.
Can a indexed view query its own data set?
So, you can think of an indexed view as its own table that is automatically updated whenever the data in the table (s) it calls is updated. Because of this, when an indexed view is called it will be querying its own data set and not touching the dbo.sales table, so there will not be any blocking against dbo.sales. You are correct.
What’s the difference between a view and a table in SQL?
View is a virtual table based on the result-set of an SQL statement and that is Stored in the database with some name. SQL table is database instance consists of fields (columns), and rows. Highly active question. Earn 10 reputation (not counting the association bonus) in order to answer this question.