(Summary Design Manual) [Part4] Data Table Name (Department index): xinSuoyin.
System name
Index
automation
X001
Dynamic
X002
Data Name (Professional Index): Zhuang Yesuoyin.
professional title
The index number
automation
Z001
Heat
Z002
Water
Z003
Data table name (class index): Classsuoyin
class
Professional index
'00423
Y001_X002_Z002
'00412
Y001_X001_Z001
The basic information of the students is listed in a table in the hospital.
student ID
Name
gender
age
Province
Property
Property
Hobby
...
Department of professional
Class
200031440104
Tang Hongxin
male
twenty one
Jiangsu
Yancheng
Suining
software
Y001_X002_Z002
'00423
Design Features: The index of each layer is easy to query any detail information. And speed up the query speed
V. Safety Confidential Design.
Implement the right to grade.
Six. Maintenance design. (Description as facilities for easy maintenance. Such as maintenance modules, etc.)
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The document is written in the end of 2001 (Big Twenty), and the reference to the school's science and technology competition is written in accordance with SA. SD is limited by the level, the time is less expensive, the document is wrong and the deficiencies, please contact Magichink @ 163 .com ----------------------------------------------------------------------------------------------------------------------- ---------------------------------
