Sqlsever Basic GROUP BY, plus having the data after grouping is processed

Town Field Poem:
——— Dream who feel, the water month Build blog. Baiqian tribulation, only know the vicissitudes of the world.
——— today holds the Buddhist language, the technology is boundless willing to learn. Willing to do what you learn, cast a conscience blog.
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1 Base Code

1  UseMaster2 Drop DatabaseHelloWorld3 4 5 --Create a database6 Create DatabaseHelloWorld7 8 9 Ten --use helloworld1 this database One  UseHelloWorld A  - --Create a table teacher - Create TableTeacher the ( -Idint Primary Key Identity(1,1),    -Namenvarchar(Ten), -Classnchar(2), +Scorefloat - ) +  A Create Table Location at ( -Classnchar(2), -Locationnvarchar(5) - ) -  - --look at teacher, what's this form? in Select *  fromTeacher - Select *  from Location to  + --insert these lines of content into this teacher, which I insert once, simply modify, and insert again - Insert  intoTeacher the        Values('burning lamp Ancient Buddha','Buddhist', -), *('Buddha Buddha','Buddhist', -), $('Maitreya Buddha','Buddhist', -),Panax Notoginseng('Buddha Buddha','Buddhist', -), -('nu wa Niang','Taoism', -), the('Buddhist Bodhisattva','Buddhist', -), +('The Buddha','Buddhist',101),--For convenience, add 1 points to the Bodhisattva A('Yangmn greedy wolf too star June','Taoism',101), the('Yin Jing giant door Yuan Xing June','Taoism',101), +('Live Lu, the true star','Taoism',101), -('Xuan Ming Wen qu new star June','Taoism',101) $  $ --insert these lines into this location - Insert  into Location -         Values('Buddhist','India'), the('Taoism','China'), -('Christ','Western'),Wuyi('Confucian','China') the  - --see what's in the teacher table Wu Select *  fromTeacher -  About  $ SelectClass,score,Count(*) asNum -  fromTeacher - whereScore= - - Group  byClass,score

2 Show1

3 Code1

1 Select Class,score,Count(* as num2 from Teacher3  where score=4Group by Class,score

4 Show1

5 Code2

1 --in the teacher table, saved, Buddha Road Two, 100, and more than 22 --As aliases do not have to be used behind the having, only to follow the count (*) to do3 SelectClass,score,Count(*) asNum4  fromTeacher5 whereScore= -6 Group  byClass,score having Count(*)>2

6 Show2

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The essence of the blog, in the technical part, more in the town yard a poem.
Sqlsever is a good language, worth studying hard. Familiar with the database of additions and deletions, write procedures necessary.
If the content of the post can be improved, or even the wrong place, please leave a comment, I will try to correct, strive to cast a conscience blog.
Note: This article is only as a scientific research study, if I inadvertently violated your rights and interests, please be sure to timely inform, I will make corrections.

Sqlsever Basic GROUP BY, plus having the data after grouping is processed