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SQL语句优化
...如：select*fromYF_KCMXwhereYPXHin(12,13)Select*fromYF_KCMXwherebetween12and13一般在GROUPBY个HAVING字句之前就能剔除多余的行，所以尽量不要用它们来做剔除行的工作。他们的执行顺序应该如下最优：select的Where字句选择所有合适的行，GroupBy用来...
- http://bbs.hc3i.cn/thread-133187-1-1.html
- 时间: 2014/06/24
dcmtk，无法识别的外部符号，unresolved external symbol，解决方法
...:dcmnet,dcmdata,ofstdimagectn/dcmqrdb:dcmnet,dcmdata,ofstdInadditiontothestandardlibraries,mostDCMTKapplicationshavetobelinkedagainstthe"netapi32"and"wsock32"libraries,eveniftheycontainnonetworkingcode.Severalexternallibrariessuchaszlib,OpenSSLetc.mightalsobeneeded.SeetheINSTALLf...
- http://bbs.hc3i.cn/thread-122998-1-1.html
- 时间: 2013/09/16
【原创】Dicomdir文档提取程序,用perl写的
...到@NULLCS，那么删除CRLF#foreach$lines(@lines){#if($lines=~/PATIENT/and$lines!~/\@\x00CS/){#print"$lines\n";#$lines=~s/\x0d\x0a//;#}#print"$lines\n";#printFileout$lines;#}##closeFilein;#closeFileout;#用于处理没有诊断的数据，加上^foreach$lines(@lines){if($lines=...
- http://bbs.hc3i.cn/thread-117998-1-1.html
- 时间: 2013/05/30
Oracle SQL性能优化常用方法
...)或NOTEXISTS.例子：（高效）SELECT*FROMEMP(基础表)WHEREEMPNO>0ANDEXISTS(SELECT‘X'FROMDEPTWHEREDEPT.DEPTNO=EMP.DEPTNOANDLOC=‘MELB')(低效)SELECT*FROMEMP(基础表)WHEREEMPNO>0ANDDEPTNOIN(SELECTDEPTNOFROMDEPTWHERELOC=‘MELB')（16）识别'低效执行'的SQL语句：虽然目前...
- http://bbs.hc3i.cn/thread-114702-1-1.html
- 时间: 2013/04/10
牙科锥形束CT评价上颌前牙唇面形态对转矩的影响
...bjectiveThisstudywasundertakentoevaluatetheinfluenceoflabialsurfacecontoursandcollumanglesofthemaxillaryanteriorteethontorque.Methods206extractedmaxillaryteethwereselected,including77centralincisors,68lateralincisorsand61canines.Allspecimenswerescannedbyconebeamdentalcomputedtomography（CT）.Three...
- http://bbs.hc3i.cn/thread-32088-1-1.html
- 时间: 2011/04/22
64螺旋CT与冠状动脉血管造影评估冠状动脉侧支循环对照研究
...leastonemajorcoronaryartery．neCCCswereassessedinCAGbytheRentropgrading．andtheCAGserved嬲thegoldstandardtodeterminetheaccuracyof64一MSCTangiographyindetectingcollateralcirculations．AllCCCsweregroupedangiographicallyintothreegroupsofCC0，CCI，andCC2byWemercollateralcollection(CC)grading．In...
- http://bbs.hc3i.cn/thread-31992-1-1.html
- 时间: 2011/04/21
IL-8与TNF-α动态变化规律与急性脑出血的相关性分析
...识码]A[文章编号]1674-4721（2010）11（b）-040-02 IL-8andTNF-αdynamicsandcorrelationanalysisofacutecerebralhemorrhage HEHuifen (ThePeople′sHospitalofRuchengCounty,HunanProvince,Rucheng424100,China) [Abstract]Objective:ToinvestigatetheTNF-αandIL-8andacutecerebral...
- http://bbs.hc3i.cn/thread-29035-1-1.html
- 时间: 2011/02/13
医院数据库系统SQL语句优化
...heddatabasesystems.However,alongwiththedeepeningofthelevelofinformatizationandincreasingdata,resultingdatabasebusinessprocessingratehasbeenreduced.Therefore,aneffectivedatabasemonitoringandperformanceanalysisofthedatabasebecomesthecriticalstep.Thispaperexpoundsthemainparameteraffectingthedatabasecap...
- http://bbs.hc3i.cn/thread-22489-1-1.html
- 时间: 2010/10/25
超声造影定量分析技术评估大鼠肝纤维化程度的初步研究
...esultsThefibrosisstageonpathologywasasthefollowing:S0=11,S1=14,S2=30,S3=27,andS4=10.Therewerestatisticalcorrelationsbetweenfibrosisstageanda1（r=-0.508,P<0.001）,PI(r=-0.663,P<0.001),AUC(r=-0.773,P<0.001),andtransittime(r=-0.642,P<0.001)fromROIofhepaticparenchyma.ConclusionThequantitat...
- http://bbs.hc3i.cn/thread-20276-1-1.html
- 时间: 2010/09/27
名老中医电子病历中病史动态结构化数据录入规范
...chnologyforhealthcare[M].WashingtonDC：NationalAcademyPress,1991(firsted.)and1997(seconded.). [3]BaudRH,RassinouxAM,ScherrerJR.Naturallanguageprocessingandsemanticalrepresentationofmedicaltexts[J].MethInformMed,1992,31：117－125. [4]JoltRoukema,RenskeKLos,SachaEBleeker,etal.Paperversusc...
- http://bbs.hc3i.cn/thread-20158-1-1.html
- 时间: 2010/09/27
天津市医院门、急诊输液处方合理性分析
...entralHospital,Tianjin300192,China)ABSTRACT:OBJECTIVEToinvestigatethesafetyandrationalitystatusoftransfusionprescriptionsinTianjin.METHODSPrescriptionsof11hospitalsweredrawnrandomly.Therationalityofdosage,compatibilityandadministrationroutewasevaluatedrespectively.ElevenprimitivedataweredisposedbyEX...
- http://bbs.hc3i.cn/thread-18642-1-1.html
- 时间: 2010/09/07
CT树芽征的病因病理和影像特点及其诊断价值
...不同于其他肺部感染性疾病的形态及分布特点。PathogenesisandValueofTreeinbudatDiagnosisofPulmonaryInfectionsZHAOXin,LIPeng,LongJian,etalAbstract:ObjectiveToreviewthepathogenesisandanalyzethevalueofthephotographiccharacteroftreeinbudatdiagnosisofpulmonaryinfections.MethodsTocheck99p...
- http://bbs.hc3i.cn/thread-18482-1-1.html
- 时间: 2010/09/05