-- Use the following SQL to replace content in all 2sxc values
DECLARE @oldvalue NVARCHAR(MAX)
SET @oldvalue = 'Old value';
DECLARE @newvalue NVARCHAR(MAX)
SET @newvalue = 'New value'

-- Preview results
SELECT [Value] AS Original, REPLACE([Value], @oldvalue, @newvalue) as Replaced
FROM ToSIC_EAV_Values 
WHERE [Value] LIKE N'%' + @oldvalue + '%' AND
ChangeLogDeleted IS NULL

-- Execute replace
--EXEC ToSIC_EAV_ChangeLogAdd @User = "Manual-Database-Replace"
--UPDATE ToSIC_EAV_Values
--SET [Value] = REPLACE([Value], @oldvalue, @newvalue)
--WHERE ([Value] LIKE N'%' + @oldvalue + '%') AND
--ChangeLogDeleted IS NULL