--LoginIdの「ecadmin」を「ct21admin」に変更
--GroupCodeの「ecmaster」を「ct21master」に変更
UPDATE ctxLoginF
SET LoginId = REPLACE(LoginId, 'ec', 'ct21')
	, GroupCode = REPLACE(LoginId, 'ec', 'ct21')
WHERE LoginId LIKE 'ct21%'
	AND GroupCode LIKE 'ct21%'

--GroupCodeの「ecmaster」を「ct21master」に変更
UPDATE ctxGroupM
SET GroupCode = REPLACE(GroupCode, 'ec', 'ct21')
WHERE GroupCode LIKE 'ct21%'