摘要:
if exists (SELECT 1 FROM Sys.default_constraints a JOIN sys.columns b ON a.parent_object_id = b.object_id AND a.parent_column_id = b.column_id AND b.name = 'ISBNEnabled' where a.parent_object_id = O... 阅读全文
posted @ 2016-06-16 09:30
不能失败
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