uni-days/UPC
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

[4sem] add db course files

Browse source
This commit is contained in:
Andrew Nuark G 2021-05-11 22:08:11 +07:00
parent ea29f4148d
commit 827b74f0b4
13 changed files with 1087 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

17
4sem/db/lab12.sql Normal file
View file

@ -0,0 +1,17 @@
DROP VIEW IF EXISTS dbo.ExcellentStudents;
GO;
CREATE VIEW dbo.ExcellentStudents AS
SELECT SSQ.[Фамилия], SSQ.[Имя], SSQ.[Отчество], SSQ.[Группа], SSQ.[Семестр]
FROM (SELECT S.[Фамилия], S.[Имя], S.[Отчество], S.[Группа], D.[Семестр], AVG(L.[Оценка]) AS AVG_MARK
FROM [Изучение] AS L
JOIN [Дисциплина] AS D on L.[Дисциплина] = D.ID
JOIN [Студент] AS S on L.[Студент] = S.[НомерЗачетнойКнижки]
GROUP BY S.[Фамилия], S.[Имя], S.[Отчество], S.[Группа], D.[Семестр]) AS SSQ
WHERE SSQ.AVG_MARK = 5
OR SSQ.AVG_MARK = 1
GROUP BY SSQ.[Фамилия], SSQ.[Имя], SSQ.[Отчество], SSQ.[Группа], SSQ.[Семестр];
GO;
SELECT *
FROM dbo.ExcellentStudents;