ElmahMigration.cs

    public partial class Elmah : DbMigration
    {
        public override void Up()
        {
            Sql(CreateTable_ELMAH_Error);
            Sql(CreatreProcedure_ELMAH_GetErrorXml);
            Sql(CreateProcedure_ELMAH_GetErrorsXml);
            Sql(CreateProcedure_ELMAH_LogError);
        }
        
        public override void Down()
        {
            Sql(DropProcedures);
            Sql(DropTable_ELMAH_Error);
        }

        private const string CreateTable_ELMAH_Error = @"
CREATE TABLE [dbo].[ELMAH_Error]
(
    [ErrorId]     UNIQUEIDENTIFIER NOT NULL,
    [Application] NVARCHAR(60)  COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
    [Host]        NVARCHAR(50)  COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
    [Type]        NVARCHAR(100) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
    [Source]      NVARCHAR(60)  COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
    [Message]     NVARCHAR(500) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
    [User]        NVARCHAR(50)  COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
    [StatusCode]  INT NOT NULL,
    [TimeUtc]     DATETIME NOT NULL,
    [Sequence]    INT IDENTITY (1, 1) NOT NULL,
    [AllXml]      NTEXT COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL 
) 
ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]

ALTER TABLE [dbo].[ELMAH_Error] WITH NOCHECK ADD 
    CONSTRAINT [PK_ELMAH_Error] PRIMARY KEY NONCLUSTERED ([ErrorId]) ON [PRIMARY] 

ALTER TABLE [dbo].[ELMAH_Error] ADD 
    CONSTRAINT [DF_ELMAH_Error_ErrorId] DEFAULT (NEWID()) FOR [ErrorId]

CREATE NONCLUSTERED INDEX [IX_ELMAH_Error_App_Time_Seq] ON [dbo].[ELMAH_Error] 
(
    [Application]   ASC,
    [TimeUtc]       DESC,
    [Sequence]      DESC
) 
ON [PRIMARY]
        ";

        private const string CreatreProcedure_ELMAH_GetErrorXml = @"
CREATE PROCEDURE [dbo].[ELMAH_GetErrorXml]
(
    @Application NVARCHAR(60),
    @ErrorId UNIQUEIDENTIFIER
)
AS

    SET NOCOUNT ON

    SELECT 
        [AllXml]
    FROM 
        [ELMAH_Error]
    WHERE
        [ErrorId] = @ErrorId
    AND
        [Application] = @Application
        ";

        private const string CreateProcedure_ELMAH_GetErrorsXml = @"
CREATE PROCEDURE [dbo].[ELMAH_GetErrorsXml]
(
    @Application NVARCHAR(60),
    @PageIndex INT = 0,
    @PageSize INT = 15,
    @TotalCount INT OUTPUT
)
AS 

    SET NOCOUNT ON

    DECLARE @FirstTimeUTC DATETIME
    DECLARE @FirstSequence INT
    DECLARE @StartRow INT
    DECLARE @StartRowIndex INT

    SELECT 
        @TotalCount = COUNT(1) 
    FROM 
        [ELMAH_Error]
    WHERE 
        [Application] = @Application

    -- Get the ID of the first error for the requested page

    SET @StartRowIndex = @PageIndex * @PageSize + 1

    IF @StartRowIndex <= @TotalCount
    BEGIN

        SET ROWCOUNT @StartRowIndex

        SELECT  
            @FirstTimeUTC = [TimeUtc],
            @FirstSequence = [Sequence]
        FROM 
            [ELMAH_Error]
        WHERE   
            [Application] = @Application
        ORDER BY 
            [TimeUtc] DESC, 
            [Sequence] DESC

    END
    ELSE
    BEGIN

        SET @PageSize = 0

    END

    -- Now set the row count to the requested page size and get
    -- all records below it for the pertaining application.

    SET ROWCOUNT @PageSize

    SELECT 
        errorId     = [ErrorId], 
        application = [Application],
        host        = [Host], 
        type        = [Type],
        source      = [Source],
        message     = [Message],
        [user]      = [User],
        statusCode  = [StatusCode], 
        time        = CONVERT(VARCHAR(50), [TimeUtc], 126) + 'Z'
    FROM 
        [ELMAH_Error] error
    WHERE
        [Application] = @Application
    AND
        [TimeUtc] <= @FirstTimeUTC
    AND 
        [Sequence] <= @FirstSequence
    ORDER BY
        [TimeUtc] DESC, 
        [Sequence] DESC
    FOR
        XML AUTO
        ";

        private const string CreateProcedure_ELMAH_LogError = @"
CREATE PROCEDURE [dbo].[ELMAH_LogError]
(
    @ErrorId UNIQUEIDENTIFIER,
    @Application NVARCHAR(60),
    @Host NVARCHAR(30),
    @Type NVARCHAR(100),
    @Source NVARCHAR(60),
    @Message NVARCHAR(500),
    @User NVARCHAR(50),
    @AllXml NTEXT,
    @StatusCode INT,
    @TimeUtc DATETIME
)
AS

    SET NOCOUNT ON

    INSERT
    INTO
        [ELMAH_Error]
        (
            [ErrorId],
            [Application],
            [Host],
            [Type],
            [Source],
            [Message],
            [User],
            [AllXml],
            [StatusCode],
            [TimeUtc]
        )
    VALUES
        (
            @ErrorId,
            @Application,
            @Host,
            @Type,
            @Source,
            @Message,
            @User,
            @AllXml,
            @StatusCode,
            @TimeUtc
        )
        ";

        private const string DropProcedures = @"
DROP PROCEDURE [dbo].[ELMAH_GetErrorXml]
DROP PROCEDURE [dbo].[ELMAH_GetErrorsXml]
DROP PROCEDURE [dbo].[ELMAH_LogError]
        ";

        private const string DropTable_ELMAH_Error = @"
DROP INDEX [IX_ELMAH_Error_App_Time_Seq] ON [dbo].[ELMAH_Error]
ALTER TABLE [dbo].[ELMAH_Error] DROP CONSTRAINT [DF_ELMAH_Error_ErrorId]
ALTER TABLE [dbo].[ELMAH_Error] DROP CONSTRAINT [PK_ELMAH_Error]
DROP TABLE [dbo].[ELMAH_Error]
        ";
    }

ElmahMigrationAzure.cs

// SQL script by Roberto Bonini
// http://stackoverflow.com/questions/15228112/mvc-elmah-and-sql-azure
    
    public partial class ElmahAzure : DbMigration
    {
        public override void Up()
        {
            // Create Tables
            Sql(CreateTable_ELMAH_Error);

            // Create Procedures
            Sql(CreateProcedure_ELMAH_GetErrorsXml);
            Sql(CreatreProcedure_ELMAH_GetErrorXml);
            Sql(CreateProcedure_ELMAH_LogError);
        }

        public override void Down()
        {
            Sql(DropProcedures);
            Sql(DropTable_ELMAH_Error);
        }

        private const string CreateTable_ELMAH_Error = @"
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].    [ELMAH_Error]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[ELMAH_Error](
[ErrorId] [uniqueidentifier] NOT NULL,
[Application] [nvarchar](60) NOT NULL,
[Host] [nvarchar](50) NOT NULL,
[Type] [nvarchar](100) NOT NULL,
[Source] [nvarchar](60) NOT NULL,
[Message] [nvarchar](500) NOT NULL,
[User] [nvarchar](50) NOT NULL,
[StatusCode] [int] NOT NULL,
[TimeUtc] [datetime] NOT NULL,
[Sequence] [int] IDENTITY(1,1) NOT NULL,
[AllXml] [nvarchar](max) NOT NULL,
CONSTRAINT [PK_ELMAH_Error] PRIMARY KEY CLUSTERED 
(
[ErrorId] ASC
)WITH (STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF)
)
END

IF NOT EXISTS (SELECT * FROM sys.indexes WHERE object_id = OBJECT_ID(N'[dbo].[ELMAH_Error]') AND name = N'IX_ELMAH_Error_App_Time_Seq')
CREATE NONCLUSTERED INDEX [IX_ELMAH_Error_App_Time_Seq] ON [dbo].[ELMAH_Error] 
(
[Application] ASC,
[TimeUtc] DESC,
[Sequence] DESC
)WITH (STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE  = OFF)
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id =     OBJECT_ID(N'[DF_ELMAH_Error_ErrorId]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[ELMAH_Error] ADD  CONSTRAINT [DF_ELMAH_Error_ErrorId]  DEFAULT (newid()) FOR [ErrorId]
END
        ";

        private const string CreatreProcedure_ELMAH_GetErrorXml = @"
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[ELMAH_GetErrorXml]') AND type in (N'P', N'PC'))
BEGIN
EXEC dbo.sp_executesql @statement = N'
CREATE PROCEDURE [dbo].[ELMAH_GetErrorXml]
(
@Application NVARCHAR(60),
@ErrorId UNIQUEIDENTIFIER
)
AS

SET NOCOUNT ON

SELECT 
    [AllXml]
FROM 
    [ELMAH_Error]
WHERE
    [ErrorId] = @ErrorId
AND
    [Application] = @Application

' 
END
        ";

        private const string CreateProcedure_ELMAH_GetErrorsXml = @"
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[ELMAH_GetErrorsXml]') AND type in (N'P', N'PC'))
BEGIN
EXEC dbo.sp_executesql @statement = N'
CREATE PROCEDURE [dbo].[ELMAH_GetErrorsXml]
(
@Application NVARCHAR(60),
@PageIndex INT = 0,
@PageSize INT = 15,
@TotalCount INT OUTPUT
)
AS 

SET NOCOUNT ON

DECLARE @FirstTimeUTC DATETIME
DECLARE @FirstSequence INT
DECLARE @StartRow INT
DECLARE @StartRowIndex INT

SELECT 
    @TotalCount = COUNT(1) 
FROM 
    [ELMAH_Error]
WHERE 
    [Application] = @Application

-- Get the ID of the first error for the requested page

SET @StartRowIndex = @PageIndex * @PageSize + 1

IF @StartRowIndex <= @TotalCount
BEGIN

    SET ROWCOUNT @StartRowIndex

    SELECT  
        @FirstTimeUTC = [TimeUtc],
        @FirstSequence = [Sequence]
    FROM 
        [ELMAH_Error]
    WHERE   
        [Application] = @Application
    ORDER BY 
        [TimeUtc] DESC, 
        [Sequence] DESC

END
ELSE
BEGIN

    SET @PageSize = 0

END

-- Now set the row count to the requested page size and get
-- all records below it for the pertaining application.

SET ROWCOUNT @PageSize

SELECT 
    errorId     = [ErrorId], 
    application = [Application],
    host        = [Host], 
    type        = [Type],
    source      = [Source],
    message     = [Message],
    [user]      = [User],
    statusCode  = [StatusCode], 
    time        = CONVERT(VARCHAR(50), [TimeUtc], 126) + ''Z''
FROM 
    [ELMAH_Error] error
WHERE
    [Application] = @Application
AND
    [TimeUtc] <= @FirstTimeUTC
AND 
    [Sequence] <= @FirstSequence
ORDER BY
    [TimeUtc] DESC, 
    [Sequence] DESC
FOR
    XML AUTO

' 
END
        ";

        private const string CreateProcedure_ELMAH_LogError = @"
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].    [ELMAH_LogError]') AND type in (N'P', N'PC'))
BEGIN
EXEC dbo.sp_executesql @statement = N'
CREATE PROCEDURE [dbo].[ELMAH_LogError]
(
@ErrorId UNIQUEIDENTIFIER,
@Application NVARCHAR(60),
@Host NVARCHAR(30),
@Type NVARCHAR(100),
@Source NVARCHAR(60),
@Message NVARCHAR(500),
@User NVARCHAR(50),
@AllXml NVARCHAR(MAX),
@StatusCode INT,
@TimeUtc DATETIME
)
AS

SET NOCOUNT ON

INSERT
INTO
    [ELMAH_Error]
    (
        [ErrorId],
        [Application],
        [Host],
        [Type],
        [Source],
        [Message],
        [User],
        [AllXml],
        [StatusCode],
        [TimeUtc]
    )
VALUES
    (
        @ErrorId,
        @Application,
        @Host,
        @Type,
        @Source,
        @Message,
        @User,
        @AllXml,
        @StatusCode,
        @TimeUtc
    )

' 
END
        ";

        private const string DropProcedures = @"
DROP PROCEDURE [dbo].[ELMAH_GetErrorsXml]
DROP PROCEDURE [dbo].[ELMAH_GetErrorXml]
DROP PROCEDURE [dbo].[ELMAH_LogError]
        ";

        private const string DropTable_ELMAH_Error = @"
DROP INDEX [IX_ELMAH_Error_App_Time_Seq] ON [dbo].[ELMAH_Error]
ALTER TABLE [dbo].[ELMAH_Error] DROP CONSTRAINT [DF_ELMAH_Error_ErrorId]
ALTER TABLE [dbo].[ELMAH_Error] DROP CONSTRAINT [PK_ELMAH_Error]
DROP TABLE [dbo].[ELMAH_Error]
        ";
    }