Updating joined tables in sql server quddus dating


27-Jun-2017 12:12

A user can query a single view instead of having to learn complex join syntax and understand the structure of your database.As far as the user is concerned, the view looks just like a table.The following Transact-SQL statement selects all the data for the view shown in Listing 9.1, sorting the result set on the Company Name column: statement wouldn't have to change. Company Name Views are created inside individual databases, however, views can reference tables and views in other databases or even on other servers (if the view is defined using distributed queries).The information about where the data in a view comes from and how it is pulled together from various tables is all encapsulated inside the view. Here are some general guidelines for creating views: Views are frequently used as security mechanisms to prevent users from having direct access to tables while still allowing them to work with data.Unlike stored procedures (which also support parameters), these parameterized functions can be updateable, as you'll see later in this chapter.

updating joined tables in sql server-88

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They can be used to provide row- or column-level access to data, to wrap up complex joins, to perform complex aggregate queries, and to otherwise customize the display of data. In this chapter, learn how to define, create, and modify views, and how to perform index analysis and optimize performance in SQL Server. The biggest problem is that just when you get used to accepting a limitation, Microsoft comes up with an amazing, new feature that overcomes it!

So I'll include a My SQL example here for reference, too.



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