--현 DB에서 현재 Identity값 알아내기
--2005
SET NOCOUNT ON
SELECT	QUOTENAME(SCHEMA_NAME(t.schema_id)) + '.' +  QUOTENAME(t.name) AS TableName, 
	c.name AS ColumnName,
	CASE c.system_type_id
		WHEN 127 THEN 'bigint'
		WHEN 56 THEN 'int'
		WHEN 52 THEN 'smallint'
		WHEN 48 THEN 'tinyint'
	END AS 'DataType',
	IDENT_CURRENT(SCHEMA_NAME(t.schema_id)  + '.' + t.name) AS CurrentIdentityValue,
	CASE c.system_type_id
		WHEN 127 THEN (IDENT_CURRENT(SCHEMA_NAME(t.schema_id)  + '.' + t.name) * 100.) / 9223372036854775807
		WHEN 56 THEN (IDENT_CURRENT(SCHEMA_NAME(t.schema_id)  + '.' + t.name) * 100.) / 2147483647
		WHEN 52 THEN (IDENT_CURRENT(SCHEMA_NAME(t.schema_id)  + '.' + t.name) * 100.) / 32767
		WHEN 48 THEN (IDENT_CURRENT(SCHEMA_NAME(t.schema_id)  + '.' + t.name) * 100.) / 255
	END AS 'PercentageUsed' 
FROM	sys.columns AS c 
	INNER JOIN
	sys.tables AS t 
	ON t.[object_id] = c.[object_id]
WHERE	c.is_identity = 1
ORDER BY PercentageUsed DESC

--2000
--	SET NOCOUNT ON

SELECT	QUOTENAME(USER_NAME(t.uid))+ '.' +  QUOTENAME(t.name) AS TableName, 
	c.name AS ColumnName,
	CASE c.xtype
		WHEN 127 THEN 'bigint'
		WHEN 56 THEN 'int'
		WHEN 52 THEN 'smallint'
		WHEN 48 THEN 'tinyint'
	END AS 'DataType',
	IDENT_CURRENT(USER_NAME(t.uid)  + '.' + t.name) AS CurrentIdentityValue,
	CASE c.xtype
		WHEN 127 THEN (IDENT_CURRENT(USER_NAME(t.uid)  + '.' + t.name) * 100.) / 9223372036854775807
		WHEN 56 THEN (IDENT_CURRENT(USER_NAME(t.uid)  + '.' + t.name) * 100.) / 2147483647
		WHEN 52 THEN (IDENT_CURRENT(USER_NAME(t.uid)  + '.' + t.name) * 100.) / 32767
		WHEN 48 THEN (IDENT_CURRENT(USER_NAME(t.uid)  + '.' + t.name) * 100.) / 255
	END AS 'PercentageUsed' 
FROM	syscolumns AS c 
	INNER JOIN
	sysobjects AS t 
	ON t.id = c.id
WHERE	COLUMNPROPERTY(t.id, c.name, 'isIdentity') = 1
AND	OBJECTPROPERTY(t.id, 'isTable') = 1
ORDER BY PercentageUsed DESC