Bi tp Qun L Chuyn Bay1 M t C s d liu1.1 Lc c s d liu KHACHHANG(MAKH, TEN, DCHI, DTHOAI) Mi khch hng c mt m phn bit vi nhng ngi khc, c tn, a ch v s in thoi lin lc. NHANVIEN(MANV,TEN, DCHI, DTHOAI, LUONG, LOAINV) Mi nhn vin ca hng hng khng c mt tn, lng, a ch, in thoi v c mt m nhn vin duy nht phn bit vi cc nhn vin khc. Nu nhn vin l phi cng th gi tr thuc tnh LOAINV bng 1, nu nhn vin l tip vin th gi tr LOAINV bng 0. LOAIMB(MALOAI, HANGSX) Mi loi my bay c mt m loi phn bit vi cc loi my bay khc v do mt hng sn xut. MAYBAY(SOHIEU, MALOAI) Mi my bay c mt s hiu phn bit vi cc my bay khc trong cng mt loi. CHUYENBAY(MACB, SBDI, SBDEN, GIODI, GIODEN) Mt chuyn bay c mt m chuyn bay phn bit vi cc chuyn bay khc. Mi chuyn bay xut pht t mt sn bay (SBDI) v h cnh ti mt sn bay khc (SBDEN); khi hnh vo mt gi (GIODI) v h cnh vo mt gi khc (GIODEN). LICHBAY(NGAYDI, MACB, SOHIEU, MALOAI) Mi chuyn bay c th c nhiu lch bay. Mi lch bay c xc nh bi mt ngy khi hnh (NGAYDI) c th v m chuyn bay. Mt lch bay c th ch s dng mt my bay. Gi s mi chuyn bay ch c b tr ti a mt ln cho mt ngy. DATCHO(MAKH, NGAYDI, MACB) Mi khch hng c th t ch theo lch bay ca hng hng khng a ra. Gi s mi khch hng ch c php t ti a mt ch trn mt chuyn bay vo mt ngy c th.

KHANANG(MANV, MALOAI) Kh nng c th li loi my bay ca mt phi cng c biu din bi quan h KHANANG. Mt phi cng c th bit li nhiu loi my bay khc nhau, v ngc lI, mi loi my bay c th c nhiu phi cng c kh nng li. PHANCONG(MANV, NGAYDI, MACB) Cc nhn vin c phn cng vo mt hay nhiu lch bay. Thng i vi phi cng, h phi c phn cng li nhng loi my bay ph hp vi kh nng. 1.2 Bng cc thuc tnh: Tn thuc tnh TEN DCHI DTHOAI LUONG MANV MAKH LOAINV HANGSX MALOAI SOHIEU MACB SBDI SBDEN GIODI GIODEN NGAYDI Din gii Min gi tr Chui (15) Chui (50)

Tn nhn vin hoc khch hng a ch nhn vin hoc khch hng

in thoi nhn vin hoc khch Chui (12) hng Lng nhn vin M nhn vin M khch hng S thc (10,2) Chui (15) Chui (15)

Nhn vin l phi cng = 1, l tip Bit (1/0) vin = 0 Hng sn xut my bay M loI my bay S hiu my bay M chuyn bay Sn bay xut pht ca chuyn bay Sn bay n ca chuyn bay Gi my bay ct cnh Gi my bay h cnh Ngy i ca chuyn bay Chui (15) Chui (15) S nguyn Chui (4) Chui (3) Chui (3) Gi (HH:MM) Gi (HH:MM) Ngy (MM/DD/YYYY)

1.3 Lc c s d liu dng hnh v

1.4 Mt th hin ca c s d liuNHANVIEN MANV 1006 1005 1001 1002 1004 1003 1007 TEN Chi Giao Huong Phong Quang Tam DCHI 12/6 Nguyen Kiem 65 Nguyen Thai Son 8 Dien Bien Phu 1 Ly Thuong Kiet 78 Truong Dinh 36 Nguyen Van Cu DTHOAI 8120012 8324467 8330733 8308117 8308155 8324461 8458188 LUONG 150000 500000 500000 450000 250000 350000 500000 KHANANG DTHOAI 8932320 8826729 8932203 8933232 9812101 8952943 MANV 1001 1001 1001 1001 1002 1002 1002 1002 8893223 8232320 8343232 8556223 8332222 1003 1003 MALOAI B727 B747 DC10 DC10 A320 A340 B757 DC9 A310 DC9 LOAINV 0 0 1 1 0 1 0

Phuong 351 Lac Long Quan

KHACHHANG MAKH 0009 0101 0045 0012 0238 0397 0582 0934 0091 0314 0613 0586 0422 TEN Nga Anh Thu Ha Hung Thanh Mai Minh Hai Phuong Vu Son Tien DCHI 223 Nguyen Trai 567 Tran Phu 285 Le Loi 435 Quang Trung 456 Pasteur 234 Le Van Si 789 Nguyen Du 678 Le Lai 345 Hung Vuong 395 Vo Van Tan 348 CMT8 123 Bach Dang 75 Nguyen Thong

LOAIMB HANGSX Airbus Airbus Airbus Airbus Boeing Boeing Boeing MD MD MALOAI A310 A320 A330 A340 B727 B747 B757 DC10 DC9

DATCHO MAKH 0009 0009 0045 0012 0238 0582 0091 0314 0613 0586 0586 0422 NGAYDI 11/01/2000 10/31/2000 11/01/2000 10/31/2000 10/31/2000 11/01/2000 11/01/2000 10/31/2000 11/01/2000 11/01/2000 10/31/2000 10/31/2000 MACB 100 449 991 206 334 991 100 449 100 991 100 449 LICHBAY NGAYDI 11/01/2000 10/31/2000 11/01/2000 10/31/2000 10/31/2000 10/31/2000 10/31/2000 10/31/2000 10/31/2000 11/01/2000 10/31/2000 11/01/2000 11/01/2000 10/31/2000 MACB 100 100 100 100 100 337 100 337 337 991 337 112 991 206 NGAYDI 11/1/2000 11/1/2000 11/1/2000 11/1/2000 11/1/2000 11/1/2000 11/01/2000 10/31/2000 10/31/2000 10/31/2000 10/31/2000 10/31/2000 10/31/2000 10/31/2000 MACB 100 112 206 334 395 991 337 100 112 206 334 335 337 449 SOHIEU 80 21 22 10 23 22 10 11 11 13 10 10 24 70 MALOAI A310 DC10 DC9 B747 DC9 B757 B747 B727 B727 B727 B747 B747 DC9 A310

PHANCONG MANV 1001 1001 1002 1002 1003 1003 1004 1004 1005 1006 1006 1007 1007 1007

CHUYENBAY MACB 100 112 121 122 206 330 334 335 336 337 394 395 449 930 931 932 991 SBDI SLC DCA STL STL DFW JFK ORD MIA ORD MIA DFW MIA CDG YYV DCA DCA BOS SBDEN BOS DEN SLC YYV STL YYV MIA ORD MIA ORD MIA DFW DEN DCA YYV YYV ORD GIODI 08:00 14:00 07:00 08:30 09:00 16:00 12:00 15:00 18:00 20:30 19:00 21:00 10:00 13:00 17:00 18:00 17:00 GIODEN 17:50 18:07 09:13 10:19 11:40 18:53 14:14 17:14 20:14 23:53 21:30 23:43 19:29 16:10 18:10 19:10 18:22 10 11 13 13 21 21 22 22 23 24 70 80 93

MAYBAY SOHIEU MALOAI B747 B727 B727 B747 DC10 DC9 B757 DC9 DC9 DC9 A310 A310 B757

2 Cc cu truy vn2.1 TRUY VN N GIN 1. Cho bit m s, tn phi cng, a ch, in thoi ca cc phi cng tng li my bay loi B747. 2. Cho bit m s v ngy i ca cc chuyn bay xut pht t sn bay DCA trong khong thi gian t 14 gi n 18 gi. 3. Cho bit tn nhng nhn vin c phn cng trn chuyn bay c m s 100 xut pht ti sn bay SLC. Cc dng d liu xut ra khng c php trng lp. 4. Cho bit m loi v s hiu my bay tng xut pht ti sn bay MIA. Cc dng d liu xut ra khng c php trng lp. 5. Cho bit m chuyn bay, ngy i, cng vi tn, a ch, in thoi ca tt c cc hnh khch i trn chuyn bay . Sp xp theo th t tng dn ca m chuyn bay v theo ngy i gim dn.

6.

7. 8. 9.

10.

11. 12.

13. 14. 15. 16.

Cho bit m chuyn bay, ngy i, cng vi tn, a ch, in thoi ca tt c nhng nhn vin c phn cng trong chuyn bay . Sp xp theo th t tng dn ca m chuyn bay v theo ngy i gim dn. Cho bit m chuyn bay, ngy i, m s v tn ca nhng phi cng c phn cng vo chuyn bay h cnh xung sn bay ORD. Cho bit cc chuyn bay (m s chuyn bay, ngy i v tn ca phi cng) trong phi cng c m 1001 c phn cng li. Cho bit thng tin (m chuyn bay, sn bay i, gi i, gi n, ngy i) ca nhng chuyn bay h cnh xung DEN. Cc chuyn bay c lit k theo ngy i gim dn v sn bay xut pht (SBDI) tng dn . Vi mi phi cng, cho bit hng sn xut v m loi my bay m phi cng ny c kh nng bay c. Xut ra tn phi cng, hng sn xut v m loi my bay. Cho bit m phi cng, tn phi cng li my bay trong chuyn bay m s 100 vo ngy 11/01/2000. Cho bit m chuyn bay, m nhn vin, tn nhn vin c phn cng vo chuyn bay xut pht ngy 10/31/2000 ti sn bay MIA vo lc 20:30 Cho bit thng tin v chuyn bay (m chuyn bay, s hiu, m loi, hng sn xut) m phi cng "Quang" li. Cho bit tn ca nhng phi cng cha c phn cng li chuyn bay no. Cho bit tn khch hng i chuyn bay trn my bay ca hng "Boeing" Cho bit m cc chuyn bay ch bay vi my bay s hiu 10 v m loi B747.

2.2 GOM NHM + HM 17. Vi mi sn bay (SBDEN), cho bit s lng chuyn bay h cnh xung sn bay . Kt qu c sp xp theo th t tng dn ca sn bay n. 18. Vi mi sn bay (SBDI), cho bit s lng chuyn bay xut pht t sn bay , sp xp theo th t tng dn ca sn bay xut pht. 19. Vi mi sn bay (SBDI), cho bit s lng chuyn bay xut pht theo tng ngy. Xut ra m sn bay i, ngy v s lng. 20. Vi mi sn bay (SBDEN), cho bit s lng chuyn bay h cnh theo tng ngy. Xut ra m sn bay n, ngy v s lng.

21. 22. 23.

24.

25.

26. 27. 28.

29. 30. 31. 32. 33.

Vi mi lch bay, cho bit m chuyn bay, ngy i cng vi s lng nhn vin khng phi l phi cng ca chuyn bay . S lng chuyn bay xut pht t sn bay MIA vo ngy 11/01/2000. Vi mi chuyn bay, cho bit m chuyn bay, ngy i, s lng nhn vin c phn cng trn chuyn bay , sp theo th t gim dn ca s lng. Vi mi chuyn bay, cho bit m chuyn bay, ngy i, cng vi s lng hnh khch t ch ca chuyn bay , sp theo th t gim dn ca s lng. Vi mi chuyn bay, cho bit m chuyn bay, ngy i, tng lng ca phi hnh on (cc nhn vin c phn cng trong chuyn bay), sp xp theo th t tng dn ca tng lng. Cho bit lng trung bnh ca cc nhn vin khng phi l phi cng. Cho bit mc lng trung bnh ca cc phi cng. Vi mi loi my bay, cho bit s lng chuyn bay bay trn loi my bay h cnh xung sn bay ORD. Xut ra m loi my bay, s lng chuyn bay. Cho bit sn bay (SBDI) v s lng chuyn bay c nhiu hn 2 chuyn bay xut pht trong khong 10 gi n 22 gi. Cho bit tn phi cng c phn cng vo t nht 2 chuyn bay trong cng mt ngy. Cho bit m chuyn bay v ngy i ca nhng chuyn bay c t hn 3 hnh khch t ch. Cho bit s hiu my bay v loi my bay m phi cng c m 1001 c phn cng li trn 2 ln. Vi mi hng sn xut, cho bit s lng loi my bay m hng sn xut. Xut ra hng sn xut v s lng.

2.3 TRUY VN LNG + HM 34. Cho bit hng sn xut, m loi v s hiu ca my bay c s dng nhiu nht. 35. Cho bit tn nhn vin c phn cng i nhiu chuyn bay nht. 36. Cho bit thng tin ca phi cng (tn, a ch, in thoi) li nhiu chuyn bay nht. 37. Cho bit sn bay (SBDEN) v s lng chuyn bay ca sn bay c t chuyn bay p xung nht. 38. Cho bit sn bay (SBDI) v s lng chuyn bay ca sn bay c nhiu chuyn bay xut pht nht.

39. 40. 41. 42.

43. 44. 45. 46. 47.

48.

49. 50.

Cho bit tn, a ch, v in thoi ca khch hng i trn nhiu chuyn bay nht. Cho bit m s, tn v lng ca cc phi cng c kh nng li nhiu loi my bay nht. Cho bit thng tin (m nhn vin, tn, lng) ca nhn vin c mc lng cao nht. Cho bit tn, a ch ca cc nhn vin c lng cao nht trong phi hnh on (cc nhn vin c phn cng trong mt chuyn bay) m ngi tham gia. Cho bit m chuyn bay, gi i v gi n ca chuyn bay bay sm nht trong ngy. Cho bit m chuyn bay c thi gian bay di nht. Xut ra m chuyn bay v thi gian bay (tnh bng pht). Cho bit m chuyn bay c thi gian bay t nht. Xut ra m chuyn bay v thi gian bay. Cho bit m chuyn bay v ngy i ca nhng chuyn bay bay trn loi my bay B747 nhiu nht. Vi mi chuyn bay c trn 3 hnh khch, cho bit m chuyn bay v s lng nhn vin trn chuyn bay . Xut ra m chuyn bay v s lng nhn vin. Vi mi loi nhn vin c tng lng trn 600000, cho bit s lng nhn vin trong tng loi nhn vin . Xut ra loi nhn vin, v s lng nhn vin tng ng. Vi mi chuyn bay c trn 3 nhn vin, cho bit m chuyn bay v s lng khch hng t ch trn chuyn bay . Vi mi loi my bay c nhiu hn mt chic, cho bit s lng chuyn bay c b tr bay bng loi my bay . Xut ra m loi v s lng.

2.4 PHP CHIA 51. Cho bit m nhng chuyn bay bay tt c cc my bay ca hng "Boeing". 52. Cho bit m v tn phi cng c kh nng li tt c cc my bay ca hng "Airbus". 53. Cho bit tn nhn vin (khng phi l phi cng) c phn cng bay vo tt c cc chuyn bay c m 100. 54. Cho bit ngy i no m c tt c cc loi my bay ca hng "Boeing" tham gia.

55. 56. 57. 58.

Cho bit loi my bay ca hng "Boeing" no c tham gia vo tt c cc ngy i. Cho bit m v tn cc khch hng c t ch trong tt c cc ngy t 31/10/2000 n 1/1/2000 Cho bit m v tn phi cng khng c kh nng li c tt c cc my bay ca hng "Airbus" Cho bit sn bay no c tt c cc loi my bay ca hng "Boeing" xut pht. HT