Sql view if

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SELECT CASE WHEN COLUMN= THEN COLUMNX ELSE COLUMNY END FROM TABLEif your need exceeds this you should create a select from a table valued function instead of a view.

Create view with if else inside - Stack. Can I Use If Condition In View. A view contains rows and columns, just like a real table. The fields in a view are fields from one or more real tables in the database.

When a view is create information about the view is stored in the following catalog views : sys. Removes one or more views from the current database. DROP VIEW can be executed against indexed views.

How would I go about checking if the View exists?

EDIT: The DBMS being used is. In this syntax, the views are separated by commas. We will use the sales.

Many a times we come across a scenario where we need to execute some code based on whether a View exists or not. There are different ways of identifying the View existence in Sql Server, this article will list out the commonly used approaches. Let me know which approach you use and reason for the same.

CREATE VIEW tutorial for the demonstration. A view is like a virtual table produced by executing a query. The relational database management system (RDBMS) stores a view as a named SELECT in the database catalog. Whenever you issue a SELECT statement that contains a view name, the RDBMS executes the view -defining.

We can use the views to fetch the columns from one or more different tables at a time. In real life specifically views are used in Reporting purpose. A view can contain all rows of a table or select rows from a table. Note that when you drop a view , SQL Server removes all permissions for the view. Windows, SQL und Exchange.

Die Transact- SQL -Bedingungen IF und ELSE steuern beide die Ausführung einer einzelnen SQL -Anweisung oder einer zusammengesetzten Anweisung (zwischen den Schlüsselwörtern BEGIN und END).

Im Vergleich zur IF-Anweisung in Watcom- SQL gibt es in der IF-Anweisung in Transact- SQL kein THEN. In der Transact- SQL -Version gibt es auch die. Thank you Sreehari, Chandra and Henry for the responses. The SQL view is built on top of a graphical view , so I will write a calculated column in that and try to use. Its contents are the resultant of base table.

The VIEW can be treated as a base table and it can be. To create a view in SQL Server, unless it has already been created. A view also has rows and columns as they are in a real table in the database. We can create a view by selecting fields from one or more tables present in the database.

Views in SQL are kind of virtual tables. A View can either have all the rows of a table or specific rows based on certain condition. SQL update views with arithmetic expression In the following topics, we are discussing, that a view can not be updated (using a UPDATE VIEW statement) if any of the fields of the view is created by using an arithmetic expression.