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select
U.name as 'TableOwner',
T.name as 'TableName',
C.name as 'ColumnName',
P.name as 'TypeName',
C.length as 'Length'
from sysobjects as T, syscolumns as C, sysusers as U, systypes as P
where T.id = C.id
and T.uid = U.uid
and C.xusertype = P.xusertype
and T.xtype = 'U'
라는 쿼리가 있는데..
무슨의미인지 쫌 알려주세요
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