The following into the subject, first of all, I personally contacted by the procedural to the database designers to look at the foundation: 1, there is no systematic study of programmers over the data structure. Such works often programmers just improvise their toys, they are often used to design only a limited number of tables, the realization of all the data in certain types of features in a side table, the table is almost no connection between. A lot of free online management software is such a thing, when the program features a limited, small amount of data when the program up and running without any problems, but if its management is more important to use the data, very large risks.

Dbm
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