-- Create a temporary table to store the groups with AccessAll = 1
SELECT [Id] AS [GroupId], [OrganizationId]
INTO #TempGroup
FROM [dbo].[Group]
WHERE [AccessAll] = 1;

-- Update existing rows in [dbo].[CollectionGroup]
UPDATE CG
SET
    CG.[ReadOnly] = 0,
    CG.[HidePasswords] = 0,
    CG.[Manage] = 1
    FROM [dbo].[CollectionGroup] CG
INNER JOIN [dbo].[Collection] C ON CG.[CollectionId] = C.[Id]
INNER JOIN #TempGroup TG ON CG.[GroupId] = TG.[GroupId]
WHERE C.[OrganizationId] = TG.[OrganizationId];

-- Insert new rows into [dbo].[CollectionGroup]
INSERT INTO [dbo].[CollectionGroup] ([CollectionId], [GroupId], [ReadOnly], [HidePasswords], [Manage])
SELECT C.[Id], TG.[GroupId], 0, 0, 1
FROM [dbo].[Collection] C
    JOIN #TempGroup TG ON C.[OrganizationId] = TG.[OrganizationId]
    LEFT JOIN [dbo].[CollectionGroup] CG ON CG.[CollectionId] = C.[Id] AND CG.[GroupId] = TG.[GroupId]
WHERE CG.[CollectionId] IS NULL;

-- Drop the temporary table
DROP TABLE #TempGroup;