u012874209的博客

procedure入门介绍

Depending on the business requirements and development needs, various ways of storing date can be implemented. The first data layout is horizontal. This is a traditional way of storing data in a tab

1.有两张表CustomerAttribute，CustomerAttributeTextCustomerAttribute结构：GUID(主键),Name,DataType,Code. CustomerAttributeText结构：GUID(主键),AttributeGuid(CustomerAttribute主键)，Language,Name2.直接用sql语句删除CustomerA...