06. bai tap chuong sql server_cdcq

8/6/2019 06. Bai Tap Chuong SQL Server_CDCQ

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Bi tp chngSQL Server Bin n: L Th Thu Hng

Hng Yn 05 nm 2011 Trang 1

TRNG I HC S PHM K THUT HNG YN

KHOA CNG NGH THNG TIN

BI TPCHNGH QUN TR CSDL SQL SERVER

Trnh o to: Cao ng

H o to: Chnh quy

Hng yn, ngy 20 thng 11 nm 2010


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CHNG I.THIT LP CSDL V RNG BUC TON VN

Bi 1. Cho CSDL gm cc bng sau

Phong ( MaPhong, TenPhong)

NhanVien ( MaNV, TenNV, LCB, MaPhong, HSL)DuAn ( MaDA, TenDA)

ChamCong (MaNV, MaDA, SoGio).

Bng tblPhong(Phng)

tblPhong

Tn ct M t Kiu d liu

MaPhong M phng Varchar

TenPhong Tn phng lm vic nvarchar

Bng tblNhanVien(Nhn vin)

tblNhanVien

Tn ct M t Kiu d liu

MaNV M nhn vin Varchar

TenNV Tn nhn vin Nvarchar

LCB Lng c bn Int

MaPhong M phng lm vic Varchar

HSL H s lng Float

Bng tblDuAn(D n)


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tblDuAn

Tn ct M t Kiu d liu

MaDA M d n Varchar

TenDA Tn d n nvarchar

Bng tblChamCong(Chm cng)

tblChamCong

Tn ct M t Kiu d liu


MaDA M d n Varchar

SoGio S gi lm trong d n Int

Vit cc cu lnh truy vn thc hin cc yu cu sau:

1. To CSDL c tn ThucHanh2. To ra cc bng c cu trc trn.3. To kha trn ct MaPhong ca bng tblPhong.4. To kha trn ct MaNV ca bng tblNhanVien..5. To kha trn ct MaDAca bng tblDuAn.6. To rang buc not null cc ct7. t gi tr mc nh cho ct LCB l 450000.8. To quan h 1-n t bng tblPhong sang bng tblNhanVien9. To quan h 1-n t bng tblNhanVien v tblDuAn sang bng tblChamCong.10.Thm ct GhiChu ( ghi ch) vo bng tblDuAn.11.Hin th thng tin nhn vin thuc m phng 102.12.Hin thi thng tin ca nhng nhn vin c s gi tham gia d n =30 gi.


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Bi 2:

1. Cho CSDL gm cc bng sau:

Bng SanPham:Lu cc sn phm hin ang c trong ca hng:

Tn trng Kiu d liu M t

MaSP Nchar M sn phm

TenSP Nvarchar Tn sn phm

LoaiSP Nvarchar Loi sn phm

HSX Nvarchar Hng sn xut

HSD Nchar Hn s dng

Soluong Nchar S lng

Dongia Nchar n gi

MaNCC Nchar M NCC

Bng HoaDonNhap:Lu cc sn phm nhp:


MaHDN Nchar M H nhp

MaNCC Nchar M NCC

STT Nchar S th t

MaSP Nchar M sn phm



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HSX Nvarchar Hang sn xut

HSD Nchar Hn s dng

Soluong Nchar S lng

Dongia Nchar n gi

Thanhtien Nvarchar Thnh tin

Ngaynhap Nchar Ngy nhp

MaNVnhap Nchar M NV nhp

TongTT Nvarchar Tng thnh tin

Bng HoaDonXuat:Lu tr cc sn phm bn:


MaHDX Nchar M H xut

Khachhang Nvarchar Khch hng

STT Nchar S th t

MaSP Nchar M sn phm



HSX Nvarchar Hang sn xut

HSD Nchar Hn s dng


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Soluong Nchar S lng

Dongia Nchar n gi

Thanhtien Nvarchar Thnh tin

Ngayban Nchar Ngy bn

MaNVban Nchar M NV bn

TongTT Nvarchar Tng thnh tin

Bng NhaCungCap:lu tr thng tin ca cc nh cung cp:


STT Nchar S th t

MaNCC Nchar M NCC

TenNCC Nvarchar Tn NCC

Diachi Nvarchar a ch

SDT Nchar S in thoi

Bng NhanVien:lu tr thng tin nhn vin trong cng ty:


STT Nchar S th t

MaNV Nchar M nhn vin

TenNV Nvarchar Tn nhn vin

Diachi Nvarchar a ch

SDT Nchar S in thoi


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SoCMTND int S CMTND

NgaySinh Datetime Ngy sinh

Chucvu Nvarchar Chc v

Tienluong Nvarchar Tin lng

Ngayvaolam Datetime Ngy vo lm


1. To CSDL c tn QuanLyMT2. To ra cc bng c cu trc trn.3. To kha trn ct MaSP ca bng SanPham.4. To kha trn ct MaNV ca bng NhanVien.5. To kha trn ct MaNCC ca bng NhaCungCap.6. To kha trn ct MaHDN ca bng HoaDonNhap.7. To kha trn ct MaHDX ca bng HoaDonXuat.8. To rang buc not null cc ct.9. t gi tr mc nh cho ct Tienluong l 650000.10.To rng buc cho ct NgaySinh sao cho tui ca nhn vin >=18.11.To quan h 1-n t bng SanPham sang bng HoaDonNhap, bng HoaDonXuat.12.To quan h 1-n t bng NhaCungCap v SanPham sang bng HoaDonNhap, bng

HoaDonXuat.

13.To quan h 1-n t bng NhaCungCap sang bng SanPham.14.Cho bit tn, a ch ca cc nh cung cp tng ng.15.Da ra danh sch nhn vin c a ch Hi Dng.16.a ra danh sch cc loi sn phm thuc nh cung cp Trn Anh.17.a ra tn v gi mua ca sn phm c gi mua t nht trong kho.18.Tm ra nhng sn phm c gi bn thp hn 1000000.19.Tm ra nhng sn phm c s lng bn nhiu nht.


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20.Tm ra nhng sn phm c s lng bn c t nht.21.a ra gi bn trung bnh ca tng loi sn phm.22.Hin thi thng tin nh cung cp c s lng hnagf cung ng ln nht.23.Hy b sn phm c m sn phm SP02.


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CHNG II: CU LNH TRUY VN NNG CAO

Bi 1

To CSDL gm cc bng sau, ch cc ct c gch chn l cc ct kha.

Bng tblNhanvien(Nhn vin)

tblNhanVien

Tn ct M t Kiu d liu rng

MaNV M nhn vin Varchar 10

TenNV Tn nhn vin Nvarchar 30

Gioitinh Gii tnh Nvarchar 4

Diachi a ch Nvarchar 50

Luong Lng Float

MaPhong M phng Varchar 10

Bng tblPhong(Phng)

tblPhong


Maphong M phng Varchar 10

Tenphong Tn phng Nvarchar 30


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8. Cho bit thng tin nhn vin c lng cao nht trong phng P03.9. Cho bit thng tin ca nhn vin khng tham gia d n no.10.Sa thng tin nhn vin c M NV03 thnh Nguyn c Thnh.11.Sa li lng ca nhn vin NV05 thnh 3000000.12.Xa thng tin nhn vin c m l NV0413.Tm cc ti m nhn vin 'NV07' tham gia.14.Cho xem danh sch nhn vin ca phng 'Pht trin phn mm'..15.Cho xem danh sch phng ban v s nhn vin ca mi phng.16.Cho xem danh sch nhn vin c a ch Nam nh.

Bi 2.

Cho c s d liu nh sau:

M t:

1. Bng Nhacungcap lu tr d liu v cc i tc cung cp hng cho cng ty.2. Bng Mathang lu tr d liu v cc mt hng hin c trong cng ty.3. Bng Loaihang phn loi cc mt hng hin c.


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4. Bng Nhanvien c d liu l thng tin v cc nhn vin lm vic trong cng ty.5. Bng Khachhang c s dng lu gi thng tin v cc khch hng ca cng ty.6. Khch hng t hng cho cng ty thng qua cc n t hng. Thng tin chung v cc

nt hng c lu tr trong bng Dondathang (Mi mt n t hng phi do mt

nhn vin ca cng ty lp v do bng ny c quan h vi bng Nhanvien)

7. Thng tin chi tit ca cc n t hng (t mua mt hng g, s lng, gi c,...) clu tr trong bng Chitietdathang. Bng ny c quan h vi hai bng Dondathang v

Mathang.


8.

Cho bit danh sch cc i tc cung cp hng cho cng ty.9. M hng, tn hng v s lng ca cc mt hng hin c trong cng ty.10.H tn v a ch v nm bt u lm vic ca cc nhn vin trong cng ty.11.a ch v in thoi ca nh cung cp c tn giao dch VINAMILK l g?12.Cho bit m v tn ca cc mt hng c gi ln hn 100000 v s lng hin c t hn

50

13.Cho bit mi mt hng trong cng ty do ai cung cp.14.Cng ty Vit Tin cung cp nhng mt hng no?15.Loi hng thc phm do nhng cng ty no cung cp v a ch ca cc cng ty l

g?

16.Nhng khch hng no t mua mt hng tn Sa hp ca cng ty?17.n t hng s 1do ai t v do nn vin no lp, thi gian v a im giao hng l

u?

18.Hy cho bit s tin lng m cng ty phi tr cho mi nhn vin l bao nhiu?19.Trong n t hng s 4 t mua nhng mt hng no v s tin m khch hng phi

tr cho mi mt hng l bao nhiu(s tin phi tr c tnh theo cng thc

Soluong*GiaBan.


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Bi 3. Cho CSDL gm cc bng sau:

Bng tblSinhvien(Sinh vin)

Bng

tblMonHoc(Mn hc)

Bng tblKhoahoc(Kha hc)

tblSinhvienTn ct M t Kiu d liu rng

MaSV M sinh vin Varchar 10

TenSV Tn sinh vin Nvarchar 30

Nam Nm Int

Khoa Khoa Nvarchar 30

tblMonHoc


MaMH M mn hc Varchar 10

TenMH Tn mn hc Nvarchar 30

SoTC S tn ch Int

Khoa Khoa Nvarchar 30

tblKhoahoc


MaKH M kha hc Varchar 10

MaMH M mn hc Varchar 10

Hocky Hc k Int


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Bng tblKetQua(Kt qu)


1. Hin th thng tin cc sinh vin.2. Hin thtn cc mn hc v s tn ch3. Cho bit kt qu hc tp ca sinh vin c m SV08.4. Cho bit tn sinhvin v cc mn hcm sinh vin tham gia vi kt qu cui

kha trn 7.5. Cho bit tn cc sinh vin thuc v Khoa c ph trch mn hc Ton ri rc.6. Cho bit tn sinh vin v im trung bnh ca sinh vin trong tng hc k.7. Cho bit tn sinh vin t im cao nht.8. Cho bit thng tin Sinh vin tham gia cc mn hc.

Nam Nm int

GiaoVien Gio vin Nvarchar 30

tblKetQua


MaKH M kha hc Varchar 10

MaSV M mn hc Varchar 10

Diem im float


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CHNG III: TH TC LU TR TH TC LU TR

Bi 1:

Cho CSDL: SinhVien ( MaSV, HoTen, MaLop, NgaySinh, QueQuan)

Lop ( MaLop, TenLop)

TblSinhVien

Tn ct M t Kiu d liu

MaSV M sinh vin Varchar

HoTen H tn sinh vin nvarchar

MaLop M lp Varchar

NgaySinh Ngy sinh Datetime

QueQuan Qu qun nvarchar

TblLop

Tn ct M t Kiu d liu

MaLop M lp Varchar

Tenlop Tn lp nvarchar

1. Vit th tc lu tr gip thm mi thng tin v sinh vin, kim tra s tn ti ca mlp, nu m lp tn ti th cho php chn, nu khng th khng c php.

2.Ly m sinh vin v tn sinh vin t bng sinh vin sau ln lt in tn v m ca cc

sinh vin ra mn hnh.


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Bi 2:

Cho CSDL sau:

- NhanVien ( MaNV, HoTen, NgaySinh, GioiTinh, DiaChi, MaDV)- DonVi ( MaDV, TenDV, DiaDiem)- DuAn ( MaDA, TenDA, DiaDiem)- DonVi_DuAn ( MaDV, MaDA)- NhanVien_DuAn ( MaNV, MaDA, SoGio)

tblNhanVien

Tn ct M t Kiu d liu


HoTen H tn nhn vin Nvarchar


GioiTinh Gii tnh Varchar

DiaChi a ch Nvarchar

MaDV M n v Varchar

tblDonVi

Tn ct M t Kiu d liu

MaDV M n v Varchar

TenDV Tn dn v cng tc nvarchar

DiaDiem a im nvarchar


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tblDuAn

Tn ct M t Kiu d liu

MaDA M d n Varchar



tblDonVi_DuAn

Tn ct M t Kiu d liu

MaDV M n v Varchar

MaDA M d n varchar

tblNhanVien_DuAn

Tn ct M t Kiu d liu


MaDA M d n Varchar

SoGio S gi tham gia d n int

Vit cc th tc thc hin cc yu cu sau:

1. Vit th tc lu tr c tham s l mt xu k t, th tc ny tr v s lng cc nhnvin tham gia d n c m bng tham s ca th tc.

2. Hy b xung thm ct SoLuong (s lng) vo bng d n v vit th tc lu tr cp nht s lng ca bng DuAn bng s nhn vin tham gia d n .


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3. ng vi mi bng trong CSDL, bn hy vit 4 Stored Procedure ng vi 4 cngvic Insert/Update/Delete/Select. Trong Stored Procedure Update v Delete ly

kha chnh lm tham s.

4. In ra dng Xin cho + @ten vi @ten l tham s u vo l tn Ting Vit c duca nhn vin no .

5. Nhp vo s nguyn @n. In ra cc s t 1 n @n.6. Nhp vo s nguyn @n. In ra tng cc s chn t 1 n @n7. Nhp vo s nguyn @n. In ra tng v s lng cc s chn t 1 n @nCho thc thi v in gi tr ca cc tham s ny kim tra.

Bi 3.

1.Vit th tc lu tr tnh n!

2. Vit store procedure in ra dng 'Xin Cho + @ten' vi @ten l tham s l tn ca bn.

Bi 4.

Nhp vo 2 s @s1,@s2. Xut min v max ca chng ra tham so @max.Cho thc thi v

in gi tr ca cc tham s ny kim tra.

Nhp vo 2 s @s1,@s2. Xut tng @s1+@s2 ra tham s @tong.. Cho thc thi v ingi tr ca tham s ny kim tra.

Bi 5

Cho CSDL gm cc bng sau:


a vo tn nhn vin tr v s nhn vin c cng tn, nu khng c nhn vin no ctn nh vy th tr v 0.

a vo m d n ch bit a im ca d n , nu khng tm thy d n tngng th tr v -1.


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CHNG IV. CON TR

Bi 1:

Cho CSDL sau:

tblSinhVien

Tn ct M t Kiu d liu


HoTen H tn sinh vin nvarchar

DiaChi a ch nvarchar

Lop Tn lp nvarchar

2. Hin th thng tin sinh vin theo mu sau, s dng bin con tr:

MaSV HoTen DiaChi Lop

SV01 Lan H Ni tk5

MaSV HoTen DiaChi Lop

SV02 Hi Hng Yn tk6

. . . . . . .

SV01 Lan H Ni tk5

SV02 Hi Hng Yn tk6

Bi 2:

1. Cho CSDL sau:

- NhanVien ( MaNV, HoTen, NgaySinh, GioiTinh, Luong, DiaChi, MaDV)-

DonVi ( MaDV, TenDV, DiaDiem)- DuAn ( MaDA, TenDA, DiaDiem)- DonVi_DuAn ( MaDV, MaDA)- NhanVien_DuAn ( MaNV, MaDA, SoGio)


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tblNhanVien

Tn ct M t Kiu d liu






MaDV M n v Varchar

tblDonVi

Tn ct M t Kiu d liu

MaDV M n v Varchar



tblDuAn

Tn ct M t Kiu d liu

MaDA M d n Varchar




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CHNG V. KHUNG NHN VIEW

Bi 1

1. Cho CSDL sau:

SinhVien ( MaSV, TenSV, NgaySinh, GioiTinh, DiaChi, MaLop)

Lop ( MaLop, TenLop)

Mon ( MaMon, TenMon)

DiemThi (MaSV, MaMon, Diem)

tblSinhVien

Tn ct M t Kiu d liu


HoTen H tn sinh vin Nvarchar




MaLop M lp Varchar

tblLop

Tn ct M t Kiu d liu

MaLop M Lp Varchar

TenLop Tn lp nvarchar


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tblMon

Tn ct M t Kiu d liu

MaMon M mn hc Varchar

TenMon Tn mn hc nvarchar

tblDiemThi

Tn ct M t Kiu d liu


MaMon M mn hc varchar

Diem im mn hc float

2. To khung nhn View thc hin cc yu cu sau:

- Hin th thng tin sinh vin m im trung bnh ln 1 l max- To view ly thng tin t 2 bng SinhVien v Lop

Bi 2:

Cho CSDL sau:


tblNhanVien

Tn ct M t Kiu d liu


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MaDV M n v Varchar

TblDonVi

Tn ct M t Kiu d liu

MaDV M n v Varchar



TblDuAn

Tn ct M t Kiu d liu

MaDA M d n Varchar



tblDonVi_DuAn

Tn ct M t Kiu d liu


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MaDV M n v Varchar

MaDA M d n Varchar

tblNhanVien_DuAn

Tn ct M t Kiu d liu


MaDA M d n Varchar

SoGio S gi tham gia d n Int

To khung nhn View thc hin cc yu cu sau:

1. Hin th tn nhn vin, ngy sinh ca nhng nhn vin c d n nm a imHong Kim Gip,

2. Cho bit MaNV, HoTen, NgaySinh, GioiTinh, DiaDiem ca cc nhn vin thuc nv Kinh doanh c d n l qun l mt hng,

3. Hin th MaDA, TenDA c s nhn vin tham gia ng nht.4. Hin th danh sch nhn vin c tn trong d n pht trin phn mm.5. Cho bit danh sch nhn vin tham gia tt c cc d n ca cng ty.6. Cho bit tn ca cc d n khng c nhn vin no tham gia.7. ng vi mi d n cho bit s lng nhn vin tham gia d n .8. ng vi mi nhn vin cho bit tn ca cc d n ang tham gia.9. Cho bit tn ca cc d n c s lng nhn vin tham gia >=5.10.Hin th thng tin nhn vin tham gia cc dn c s gi = 30.


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CHNG VI: TRIGGER

Bi 1.

1. Cho CSDL nh sau:

SinhVien(MaSV,Hoten,DTB)

BangDiem(MaSV,MaMH,Diem)

2. Vit trigger mi khi xut hin thao tc cp nht(thm,xa,sa) trn table bang_diem

th in trung bnh (dtb)trong table sinh_vien s c cp nht li.gi s khng quan tm

n h s ca mn hc v vic thi li

Bi 2.

1. Cho CSDL gm cc bng sau:

Bng tblNhanvien(Nhn vin)

tblNhanVien


MaNV M Nhn vin Varchar 10

TenNV Tn Nhn vin Nvarchar 30


Quequan Qu qun Nvarchar 30

MaPhong M phng Varchar 10

Bng tblPhong(Phng)


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tblPhong


MaPhong M Phng Varchar 10

TenPhong Tn Phng Nvarchar 30

Bng tblDuAn(D n)

tblDuAn


MaDA M D n Varchar 10

TenDA Tn d n Nvarchar 50

Bng tblTinhLuong(Tnh Lng)

tblTinhLuong



MaDA M d n Varchar 10

LuongDA Lng d n float

Bng tblNguoiquanly(Ngi qun l)

tblNguoiquanly


MaNQL M Ngi qun l Varchar 10


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TenNQL Tn ngi qun l Nvarchar 30

Quequan Qu qun Nvarchar 50

Bng tblNhanVien_DuAn(Nhn vin_ D n)

tblNhanvien_DuAn




Bng tblNguoiquanly(Ngi qun l_D n)

tblNguoiQuanLy_DuAn


MaNQL M ngi qun l Varchar 10


2. ngha ca cc trng

Vit tt ngha

MaNV M nhn vin

TenNV Tn nhn vin

Gioitinh Gii tnh


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Quequan Qu qun

MaPhong M Phng

TenPhong Tn Phng

MaDA M d n

TenDA Tn D n

LuongDA Lng theo d n

MaNQL M ngi qun l

TenNQL Tn ngi qun l

3. ngha ca cc bng

-NhanVien: Bng lu danh sch nhn vin

- Phong: bng lu danh sch cc phng

- DuAn: Bng lu danh sch cc d n

- TinhLuong: Bng lu danh kt qu lng ca nhn vin theo cc ti m nhn vin

tham gia.

-NguoiQuanLy: Lu danh mc cc nh qun l

-Nhanvien_Duan: Lu cc d n m Nhn vin thc hin

-NguoiQuanLy_Duan: Lu cc d n m ngi qun l hng dn

4. Cc quan h

Bng cha Bng con Kiu quan h

NhanVien NhanVien_DuAn 1-n


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DuAn NhanVien_DuAn 1-n

NguoiQuanLy NguoiQuanLy_DuAn 1-n

NhanVien TinhLuong 1-1

Duan TinhLuong 1-1

Nhanvien Phong 1-1

5. ngha ca cc quan h

- Mt nhn vin c th khng tham gia hoc tham gia nhiu d n khc nhau.

- Mt ngi qun l c th khng hng dn hoc hng dn nhiu d n.

- Mi nhn vin lm d n c mt lng ring bit ty vo d n m nhn vin thc

hin.

- Mi nhn vin ch c trong mt phng.

6. D liu mu:

Bng tblNhanVien (Nhn vin)

MaNV TenNV DiaChi Gioitinh Phong

NV01 Nguyn Vn An Nam nh Nam K hoch

NV02 Th Quyn Hng Yn N T chc

NV03 o Vn i Bc Giang Nam Hnh Chnh

NV04 Phm Th Tm H Nam N Thit k phn mm


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Bng tblDuAn(D n)

MaDA TenDA

DA01 Xy dng ng dng bn hng trn web

DA02 Xy dng ng dng Internet chat

DA03 M ho v gii m d liu

DA04 Xy dng phn mm qun l Cn b

Bng tblNguoiQuanLy(Ngi qun l)

MaNQL TenNQL DiaChi

NQL01 Ng Hu Tnh Hng Yn

NQL02 Nguyn c Thnh Thi Bnh

NQL03 V Th Mai H Tnh

NQL04 PhmNgc Hng Qung Ninh

Bng tblPhong(Phng)

MaPhong TenPhong

P01 K hoch

P02 T chc

P03 Hnh Chnh

P04 Thit k phn mm


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Bng tblNhanVien_DuAn(Nhn Vin_D n)

MaNV MaDA

NV01 DA02

NV02 DA03

NV03 DA01

NV04 DA04

Bng tblNguoiQuanLy_DuAn(Ngi qun l_D n)

MaNQL MaDA

NQL01 DA01

NQL02 DA03

NQL03 DA04

NQL04 DA02

7. Yu cu:

1. Vit trigger khng cho php xo M phng khi vn ang c nhn vin thuc

phng .

2.Vit trigger khi xo mt nhn vin th xo tt c cc d n m nhn vin angtham gia.

3.Vit trigger thit lp rng buc sau:-Nu nhn vin thuc tnphng l Ke hoach th c th tham gia ti a l 4

ti

-Nu nhn vin thuc tnphng l Thiet ke phan mem th c th tham gia ti


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a l 3 ti.

-Nu nhn vin thuc tnphng l Hanh Chinh th c th tham gia ti a l 2

ti.

-Nu nhn vin thuc tnphng l To chuc th c th tham gia ti a l 5 ti

- Cc nhn vin thuc tnphng khc cc phng k trn th khng c tham gia thc

hin d n no.

4.Vit trigger khi thay i m ngi qun l th thay i cc thng tin m ngiqun l trong cc bng lin quan.

5. To trigger mt d n c khng qu 3 nhn vin tham gia.Bi 3.

Cho CSDL sau:

Bng tblNhomSach(Nhm Sch)

tblNhomSach


MaNhom M nhm Varchar 10

TenNhom Tn nhm Nvarchar 30

Bng tblNhanVien(Nhn vin)

tblNhanVien


MaNV M nhm Varchar 10

TenNV Tn nhm Nvarchar 30



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Diachi a ch Nvarchar 50

Bng tblDanhMucSach(Danh mc Sch)

tblDanhMuc


MaSach M Sch Varchar 10

TenSach Tn Sch Nvarchar 30

TacGia Tc gi Nvarchar 30

MaNhom M nhm Varchar 10

Dongia n gi float

Soluongton S lng tn int

Bng tblHoadon(Ha n)

tblHoadon


MaHD M ha n Varchar 10

NgayBan Ngy bn Datetime


Bng tblChitietHoaDon(Chi tit ha n)


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tblChitietHoadon


MaHD M ha n Varchar 10

MaSach M Sch Varchar 10

Soluong S lng int

2. Thc hin cc yu cu sau:

1. Vit trigger cho thao tc Insert ca bng NHOMSACH. Khi c thao tc chnvo bng nhm sch th a ra mt thng bo l C mu tin c chn.

2. Vit trigger cho thao tc Insert trn bng HOADON. Sau khi c mu tin c chnvo bng HOADON th mu tin cng c chn vo bng HOADON_Luu.

Lu : nu cha c bng HOADON_Luu th to HOADON_Luu (c cu trc hon

ton ging nh bng HOADON) trc khi kim chng trigger.

3. Vit trigger cho thao tc Insert, Update, Delete trn bng CHITIETHOADON.Khi c mu tin c chn vo hoc hiu chnh hoc xo th cp nht li ct

TongTriGia trong bng HOADON vi TongTriGia = Tng tin ca S lng *

n gi. Lu : nu bng HOADON cha c ct TongTriGia th b sung vo trc

khi kim chng trigger.

4. Vit trigger cho thao tc Insert, Update kim tra rng buc lin thuc tnhlin quan h gia GIABAN trong CHITIETHOADON v DONGIA trong bng

mt hng nh sau: GIABAN trong CHITIETHOADON lun lun bng

DONGIA trong DANHMUCSACH, nu vi phm th thng bo v khng cho

php Insert hay Update.

5. C rng buc lin thuc tnh l ngy bn ca mt HOADON th lun lun lnhn hay bng ngy lp ha n . Hy bt rng buc trn khi cn thit.

6. Gi s c 2 bng LOP(Malop, TenLop), SV(Masv, HoTen, Malop), vi mtrng buc dng lin b nh sau: Mi lp ch c ti a 10 hc vin. Hy vit 1


37/37


trigger kim tra rng buc , nu vi phm rng buc th sinh ra mt m li

v a ra thng bo Lp ny hc vin.

7. Gi s c 2 bng LOP(Malop, TenLop, SiSoToida, SiSoThuc), SV(Masv, HoTen,Malop), vi cc rng buc dng lin b lin quan h nh sau:

- Ch chn thm hoc hiu chnh chuyn lp cho mt sinh vin ca bng SV khi s sca lp vn cn nh hn SiSIToiDa.

- Khi c thao tc thm, xo, sa thng tin trn bng SV th phi cp nht liSiSoThuc

8. Hy bt cc rng buc trn v sinh ra m li thch hp khi c cc thao tc

tng ng xut hin m vi phm rng buc t ra.

9. Gi s c bng theo di qu trnh tng lng ca nhn vin nh sau

QuaTrinhTangLuong(MANV, NGAYTANG, MUCLUONG)

Bit rng mc lng ca nhn vin ch tng ln theo thi gian. Hy vit trigger

p tha iu kin ny.

06. bai tap chuong sql server_cdcq

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