Bi ging mn hc H qun tr C s d liu IIGing vin: L Th Nhung B mn Cng
ngh phn mm Khoa CNTT Email: [email protected] D: 0917885996
Gii thiu mn hcS VHT: 4 (3LT+1TH) Ni dung: Qun tr CSDL vi h qun
tr CSDL MS SQL Sever 2005 v ngn ng lp trnh T-SQL Ti liu tham kho: -
Bi ging ca gio vin - Phm Hu Khang - on Thin Ngn, SQL Server 2005
(Lp trnh T-SQL, Lp trnh th tc v hm, ), NXB Lao ng - X hi - Nguyn
Thin Bng - Phng Lan, Khm ph SQL Server 2005, NXB Lao ng - X hi
-
Phng thc tnh im mn hc:
u im Chuyn cn Bi tp ln Thi cui k
H s 0.1 0.3 0.6
Tng quan v H qun tr CSDL SQL ServerMS SQL Server l mt h qun tr
CSDL quan h cho mng my tnh hot ng theo m hnh khch/ch
(client/server) cho php nhiu ngi dng truy xut n CSDL ti cng mt thi
im Qun l ngi dng, m bo vic truy nhp hp l v quyn hn ca ngi dng Qun
tr CSDL
M hnh Client/ServerX l trn nhnh my trm (Client): gi yu cu v d
liu ti my ch, c d liu ly t my ch, x l d liu nhn c, xut cc kt qu ra
mn hnh hoc my in. X l trn nhnh my ch (Server): m bo quyn truy cp
cho cc ngi dng trong h thng, x l cc yu cu c/ghi d liu t cc my trm v
vn ng b d liu, qun tr c s d liu trn my ch.
u im ca SQL ServerTnh bo mt cao m bo CSDL lun sn sng H tr lp
trnh Nng cao hiu qu qun l, khai thc thng tin
Lch s pht trin ca Microsoft SQL serverNm 1970: IBM a ra ngn ng
truy vn c s d liu SEQUEL (Structured English Query Language) Nm
1985: IBM kt hp vi Microsoft xy dng h iu hnh OS/2 16/12/1987: Pht
hnh h iu hnh OS/2 1.0. IBM d nh tch hp thm mt phn c s d liu SQL v a
ra h iu hnh OS/2 m rng Nm 1988: Microsoft v Sybase gii thiu h qun
tr c s d liu Ashton-Tate Microsoft xy dng h iu hnh Window NT Server
v pht trin h qun tr c s d liu SQL server hot ng trn mi trng ny. Cc
phin bn: 4.2, 4.21, 6.0, 6.5, 7.0, 2000, 2005
Cc phin bn ca SQL Server 2005MS SQL Server 2005 Enterprise
Edition MS SQL Server 2005 Standard Edition MS SQL Server 2005
Workgroup Edition MS SQL Server 2005 Developer Edition MS SQL
Server 2005 Express Edition
Qun tr CSDL vi SQL Server Management Studio
C s d liu trong SQL Server 2005Lu tr d liu: cc bng, bng o, th tc
ni ti, Cu trc vt l ca mt CSDL bao gm ti thiu 2 tp tin: - Tp tin lu
tr d liu (data file): .mdf (primary data file) - Tp tin lu vt giao
tc (transaction log file): . ldf (log file) Cc thng s v kch thc tp
tin: Logical name, File Type, Filegroup, Initial Size, Autogrowth,
Path
Mt s CSDL h thngMaster: CSDL chnh, cha thng tin cc bng h thng
Model: CSDL dng khun mu Tempdb: CSDL tm dng lu cc bng tm, cc kt qu
trung gian trong qu trnh x l d liu Msdb: Dng qun l SQL Server Agent
- dch v thc hin cc x l m ngi qun tr lp lch: sao lu, ng b d liu
To mi mt CSDLBc 1: Trong ca s Object Explorer, kch chut phi vo
Databases, chn New Database
Bc 2: La chn cc thng tin cho CSDL c to:
1. t tn cho CSDL 2. Chn ch s hu 3. Chn thuc tnh cho cc tp CSDL
3.1 Chn kch thc khi to 3.3 ng dn ti tp
3.2 Ch tng kch thc t ng
Bc 2: (tip) Chn ch tng kch thc cho cc tp CSDL
Cho php t ng tng kch thc Tng theo t l % Tng theo lng MB Gii hn
kch thc ti a Khng gii hn kch thc ti a
Sao lu CSDLB1: Kch chut phi vo CSDL cn sao lu, chn
Tasks/Backup
La chn cc thng s v ch ra file ch
CSDL ngun
File ch
Phc hi CSDL phc hi CSDL: Trong menu chut phi ca Databases, chn
Restore Database ri tip tc ch ra tn CSDL phc hi, file ngun
(backup),
Phc hi CSDL (tip)
CSDL ch
Chn file sao lu
Bng d liuL mt kiu t chc d liu s dng trong MS SQL Server 2005 Gm
cc ct (cn gi l trng) biu th cc thuc tnh ca d liu v cc dng (cn gi l
cc bn ghi) biu th cc i tng
Cc kiu d liuKiu d liu nguyn: - Bigint 8 bytes - Int 4bytes -
Smallint 2bytes (gi tr nm trong on [-32768..32767] - Tinyint 1byte
(gi tr nm trong on [0..255]) - Bit 1 bit, nhn gi tr 0,1 hoc null
Kiu d liu thc: - Decimal 17bytes - Numeric 17bytes - Float 8bytes -
Real 4bytes Kiu d liu chui c di c nh: - Char Nbytes (0
