Gim st c s d liu vi SQL Profiler

SQL Server Profiler l mt cng c ghi chp hiu qu, i

km vi SQL Server. Profiler cho php bn qun l v nm

bt c nhng hot ng ang din ra trong c s d liu

ca bn, bao gm adhoc truy vn, lu tr cc yu cu, ng

nhp, li,... Hm nay, chng ta s tm hiu cch s dng

Profiler lm r nhng iu trn.

Gi s rng chng ta c mt ng dng tn SOCK chy da vo

c s d liu SOCKsql, trn SwampTest server. Nu mun hin

th truy vn T-SQL tc dng vo c s d liu khi mt ngi

dng truy cp vo SOCK, chng ta s phi:

1. Khi ng SQL Server Profiler v thit lp bn ghi

2. Chy bn ghi trong khi thc hin ng nhp ng dng SOCK.

3. Dng chy bn ghi v kim tra kt qu lu c

Khi ng SQL Server Profiler

Bn c th khi ng SQL Profiler t menu Start, hoc trong

SQL Server Management Studio (SSMS), di menu Tools.

Mt cch khc m SQL Profiler l Start > Run > Profiler.

Khi c m ra, Profiler s hin th bn hp thoi Connect to

Server. Tip n, bn s phi in tn ca my ch bn mun

to bn ghi, cng vi thng tin xc nhn. Sau , kch Connect.

Ca s Trace Properties s cho php bn iu chnh bn ghi bn

mun. Trn th General, bn c th in tn mt Trace, chn

template, chn phng thc lu v bt thi gian dng truy vn.

Ti th Event Selection, chng ta chn s kin c s d liu v

thuc tnh mi s kin chng ta mun ghi li. S kin c chn

l mt phn ca template chun chng ta thy th General.

Gn cui bn tri ca mn hnh, chng ta c 2 nh. Show

all events hin th tt c cc s kin chng ta c th truy vn

vi Profiler. Hy nhn qua nhng mc c trong ri hy tch

vo .

Kim tra hp thoi Show all columns gip chng ta c th

thy tt c nhng thuc tnh ca mi s kin.

Chng ta khng cn Audit Login v Audit Logout events

today, v vy khng cn tch vo .

Bn s cn ti ExistingConnection, khng c n, tt c cc

hnh ng c thc hin bi kt ni hin thi s khng c

hin th.

RPC: Completed - Remote Procedure Call: Completed.

ng dng SOCK hu nh ch tn dng RPCs, v vy chng ta s

phi tch vo .

SQL:BatchStarting v SQL:BatchCompleted s hin th m

u v kt thc ca nhm lnh T-SQL. Bn khng nht thit

phi tch vo y.

Hy s dng column filters lc nhng d liu chng ta

khng cn. Kch vo Column Filters. Trong hp thoi

Edit Filter, chn DatabaseName ri kch vo Like v g

tn ca c s d liu ca bn: SOCKsql. iu ny s m

bo Profiler s ch ghi li nhng s kin din ra trn c s

d liu SOCKsql.

Chy bn ghi

hnh minh ha, ch c nhng s kin c chn cng

nh thi gian m bn ghi c gii hn. V vy, chng

ta s khng b tha thng tin khng cn thit v gim ti

cho my ch kh nhiu.

Khi sn sng ng nhp vo SOCK, kch vo Run trong

SQL Profiler. Bn s thy Trace Start hin th trn cng

trong danh sch s kin trong Profiler, tip sau l mt

lot cc kt ni hin thi.

Trong v d, chng ta s ch ghi li cc s kin lin quan ti

ng nhp SOCK, v vy ngay sau khi bn ghi c bt

u, chng ta c th truy cp ng dng SOCK. Tip n,

kch vo nt mu stop trace trong SQL Profiler. Nh

vy l chng c bng s kin bn ghi.

c bn ghi

Nu mun, bn c th lu li cc s kin ny thnh 1 file

bng cch kch vo File > Save As > Trace File, hoc lu

thnh 1 bng SQL: File > Save As > Trace Table. V d,

chng ta s lu d liu ny thnh 1 bng SQL, iu ny s

gip bn tm kim mt t no c trong bng d v nhanh

hn.

Gi y, bn c th c ton b cc s kin c ghi li,

hoc tm kim mt t kha hoc con s trong bt k ng

no. Khi kch vo bt k dng no, d liu ca dng s

c hin th ti mt bng pha cui ca Profiler. Ch

rng chng ta lc d liu theo tn ca c s d liu, bn

c th kim tra li bng cch ko sang bn phi bng

thy tn ca c s d liu chn.

Bi gii thiu ngn v SQL Profiler ny c th gip bn ghi

li nhng hot ng ca c s d liu mi khi cn thit.