摘要：
在SQL数据库中,判断指定表中是否存在指定列,如果不存在,则创建:if (NOT exists ( select * from dbo.syscolumns where name = 'g_id_gglx' and id in (select id from dbo.sysobjects where id = object_id(N'[dbo].[crm_custom_zk]') and OBJE... 阅读全文
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摘要：
在SQL数据库中,判断指定表中是否存在指定列,如果不存在,则创建:if (NOT exists ( select * from dbo.syscolumns where name = 'g_id_gglx' and id in (select id from dbo.sysobjects where id = object_id(N'[dbo].[crm_custom_zk]') and OBJE... 阅读全文
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