Cannot create %S_MSG on view “%.*ls” because it contains one or more subqueries. Consider changing the view to use only joins instead of subqueries. Alternatively, consider not indexing this view.

Error Message:
Msg 10136, Level 16, State 1, Line 2
Cannot create %S_MSG on view “%.*ls” because it contains one or more subqueries. Consider changing the view to use only joins instead of subqueries. Alternatively, consider not indexing this view.

Severity level:
16.

Description:
This error message appears when you try to index a view that contains subqueries.

Consequences:
The T-SQL statement can be parsed, but causes the error at runtime.

Resolution:
Errors of the Severity Level 15 are generated by the user and can be fixed by the SQL Server user. The statement cannot be executed this way. You cannot index a view that contains subqueries.

Versions:
This error message was introduced with SQL Server 2000.

Example(s):
SET NUMERIC_ROUNDABORT OFF;
SET ANSI_PADDING,
    ANSI_WARNINGS,
    CONCAT_NULL_YIELDS_NULL,
    ARITHABORT,
    QUOTED_IDENTIFIER,
    ANSI_NULLS ON;
GO
IF OBJECT_ID (‘dbo.V’, ‘View’) > 0
   DROP VIEW dbo.V;
GO

IF OBJECT_ID (‘dbo.t’) IS NOT NULL
    DROP TABLE dbo.t;
GO
CREATE TABLE dbo.t
(
    c1 int NOT NULL PRIMARY KEY
);
GO
CREATE VIEW dbo.V
WITH SCHEMABINDING
AS
SELECT
    c1, COUNT_BIG(*) AS myCount, (SELECT 1) AS foo
FROM
    dbo.t
GROUP BY
    c1;
GO

CREATE UNIQUE CLUSTERED INDEX cix_t_v
    ON dbo.V (c1);
GO

Remarks:
In the above example we try to create an index on view dbo.V. Because the view definition contains a subquery, the error is raised.




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