THAO TC TRN BNG D LIUa. Php + b. Php c. Php $ 2.3. Php ton trn
kiu ngy Php ton + S S + - S - + S S + - S - Kt qu S S
2.4. Php ton quan h: =, , >=, =, ]
A. Bi tp c li giiBI S 1
qun l thng tin ca nhn vin ngi ta s dng mt tp tin d n QLNV.PJX
cha tp tin c s d liu QLNV.DBC, tp tin ny cha bng HOSONV.DBF c cu
trc nh sau: Tn trng MANV MADV HOLOT TEN NGAYSINH DIACHI GIOITINH
Kiu d liu C C C C D C L rng 5 2 20 10 8 30 1 Din gii M nhn vin M n
v H m Tn Ngy sinh a ch Gii tnh Ghi ch Kho chnh
Nam: .T.
a. Dng lnh SORT sp xp li bng d liu HOSONV.DBF sang mt bng d liu
mi HOSONVSX.DBF theo ch tiu: Cc bn ghi c sp xp theo m n v (gim dn),
trong mi n v th t tn, h c sp xp tng dn. b. M tp tin HOSONVSX.DBF S
dng lnh BROW lit k cc trng MADV, HOLOT, TEN, NGAYSINH, MLUONG . c.
Lp 3 tp tin ch mc: CMASO.IDX theo trng MANV, CDONVI.IDX theo trng
MADV, CLUONG.IDX theo trng LUONG gim dn. Bng cch thay th tp tin ch
mc ch, hy lit k cc bn ghi theo MANV tng dn, theo MADV tng dn, theo
LUONG gim dn.
d. Dng lnh LOCATE: Tm ngi c h tn l NGUYEN MINH HUONG. Dng lnh
DISPLAY cho hin ni dung ca bn ghi ny, ri dng lnh EDIT sa li. Tm
nhng ngi phng T chc (MADV=TC), cho hin y thng tin ca nhng ngi ny.
Tm nhng ngi c LUONG > 100000. e. Dng lnh SEEK tm kim ngi c
MANV=0001A ri hin th ni dung ca bn ghi ny. f. Cho bit a ch ca ngi c
tn l THUY, sinh ngy 11/11/80 . Hng dn gii Chn
File/New/Project/Newfile Trong mc Enter Project: QLNV
Chn Data/Databases/New/New Databases Trong mc Enter Database :
QLNV
Chn Database/New table/New Table Trong mc Enter Table :
HOSONV
Trong mc Name vi trng MANV. Type Width Decimal Index Trong mc
Display
: Chn tn trng, chn Indexes, chn Primary i : Chn kiu d liu : Chn
rng : S ch s thp phn : Thit lp ch mc: : Chn hnh thc hin th ca d
liu
Null: Cho php gi tr ca trng l Null hoc khng Trong mc Field
Validation: Chn rng buc d liu v t gi tr mc nh. Sau khi to cu trc
bng xong, nhp 10 bn ghi cho bng d liu HOSONV.MANV 0001A 0001B K0003
K0001 C0002 MADV TC HC TC HC KT HOLOT Cao Van Nguyen Thi Dau Van Le
Te Thi TEN Huong Ly Tung Cung Quen NGAYSINH 11-04-1975 12-05-1965
04-12-1978 06-06-1979 18-10-1977 DIACHI Hue Hue Quang Binh TP.HCM
TP.HCM GIOITINH .T. .F. .T. .T. .T.
C0003 C0004 T0005 T0006 T0007
TC HC KT TC HC
Le Van Cao Do Duc Lo Thi Ly Van
Ty Cuoi Lan Huong Hy
09-04-1969 01-10-1965 15-02-1968 08-01-1967 02-06-1965
Hue Hue Da Nang Hue Qtri
.F. .T. .F. .T. .F.
Tr v ca s lnh (Command) ri ln lt thc hin cc lnh sau USE HOSONV
a. SORT TO HOSONVSX ON MADV/D, TEN/A, HOLOT/A b. USE HOSONVSX BROW
Fiel MADV, HOLOT, TEN, NGAYSINH, MLUONG . c. USE HOSONV INDE ON
MANV TO CMASO INDE ON MADV TO CDONVI INDE ON -LUONG TO CLUONG SET
INDE TO CMASO BROW SET INDE TO CDONVI BROW SET INDE TO CLUONG BROW
d. LOCA FOR ALLT(HOLOT)+' '+ALLT(TEN)='NGUYEN MINH HUONG' DISP EDIT
LOCA FOR MADV='TC' DISP LOCA FOR LUONG>1000000 e. INDE ON MANV
TO SXMANV
SEEK '0001A' DISP f. BROW FIEL DIACHI FOR TEN='THUY' AND
NGAYSINH={11/11/80}BI S 2
qun l im ca sinh vin b phn gio v s dng mt tp tin d n
QLDIEMSV.PJX cha tp tin c s d liu QLDIEM.DBC, tp tin ny cha bng
DIEMSV.DBF c cu trc nh sau: Tn trng MASV HOLOT TEN NGAYSINH QUEQUAN
VFOX ACCESS PASCAL DTB XEPLOAI Kiu d liu C C C D C N N N N C rng 5
20 10 8 30 2 2 2 4,2 20 Din gii M sinh vin H lt Tn Ngy sinh Qu qun
im VFOX im ACCESS im Pascal im TB Xp loi Ghi ch Kho chnh
Nhp vo 10 bn ghi cho cc trng: MASV, HOLOT, TEN, NGAYSINH,
QUEQUAN, VFOX, ACCESS, PASCAL nh sau:MASV K0001 K0002 K0003 T0001
T0002 T0003 T0004 T0005 T0006 HOLOT Cao Van Nguyen Thi Dau Van Le
Te Thi Le Van Cao Do Duc TEN Huong Ly Tung Cung Quen Ty Cuoi Lan
Huong NGAYSINH 11-04-1975 12-05-1965 04-12-1978 06-06-1979
18-10-1977 09-04-1969 01-10-1965 15-02-1968 08-01-1967 QUEQUAN VFOX
ACCESS Hue Hue Quang Binh TP.HCM TP.HCM Hue Hue Da Nang Hue 6 7 7 7
8 7 9 7 8 9 6 4 7 4 6 9 6 4 PASCAL 7 8 7 9 7 9 10 9 4
T0007
Lo Thi Ly Van
Hy
02-06-1965
Qtri
8
5
2
a. Tnh (im trung bnh), bit rng VFOX c h s hai, ACCESS c h s 1,
PASCAL c h s 3. Xp loi, bit rng: DTB>=9 : Xp loi GIOI
7
