MySQL数据库培训手册.docx

IT和)朝一期)Hf)8Wt甚苏t"T ForadviceonhowtoChAn9«settingsplsm4http:/cv.maql,ccg*/dec/.f林<n5.6/n/8工W-CQ口£*guratfoG RemoveleadingandsottotheaaountofRAMforthe三ostimportantdatatCAChoinMySQ1.Startat70%oftotalRAMfor<Sodicatodsorvorfolso10. innodbbuffrpoli=128K Ro11>ovqloading*toturnonavryimportantdataintegrityoption:loggingIchangestothebinaryI09betwMnbackups.<2loq-bin->kip-namo-ro驾ol'VOAyiqamCoVOXr;da£aultTheseereCeaDBOnlyetrremovetheandsetasrequired.IlbasodirI*dacadir=/uar/local/apAche/htdocs/lcOyUnIPoXt56788IS*server-id*socket三 Re11>voleadingtosotoptionsmainlyusefulforreportingservers.ThosorvordefaultsarefasterfortransactionsandfastSXXCTs.Adjustsizesasn*dd,×erimnttofindthoptimalvlua. join-buffer-size126M2taort_buffor_siza»2Mroadrndbuffersize三2M29kql®>doNOENGZNZSUBSTXTl7rXCNrSTRXCTTFANSTAB1.ES彳；innodb-buffer-pool-izeIGJ21.nncdb_additional_mea>_pool_5izow64M33*Set.Jog'iljizoto25ofbufferpoolflizoNinno<tb-logfile-ix-25Mtinnodbloq-buffor-sio-0M2tinnodbflushlogattrxcc<omit=1391.nnodb-lock-wait-timeout50039InnOdbfiloPOrtableU822U-mP如中如fa2Sb»1)(rot1flguibw)<*y>qVurootpEnterpassword:MeUomtothMyS(Xaonitor.Combtd¾Mdwith：org.YoUrHySQ1.cr>Aetle<idis122Sn»>rvr*ion:$.6.14ntrpri>-c三rVdvcdWySOl(ht11>rivSrvr-AdrncdEdition(Cowci1>CopyriQht(C)20,2913,Oroclarvd/oritsaffiliates.Allrightsresrvd.Orclitarg19tr9dtrdwrkofOrCorporationndoritsaffiliates.OtMrnam5mybtrdar5ofthrrspctiYo*mrs.Typ<'hXp;'or,h,forhlp.Typ,c,tocrthcurrentinput3ttw*t.wi*INnkwurBpN前N3457Wmysql>createuserIliU式l,O图identifiedby口23456'QueryOK,Orowsaffected(.sec)mysql>selecthost,user,passwordfromuser;IhostIuserpasswordIXocalhostroot"6BB4837EB7432915EE4568DDA7DC67E02CA2AD9IguiIroot'B181E9A8914B9EB137FED146CA6378630F4A86CI127.1Iroot*B181E9A80914B9EB137FED146CA6378630F4A86CI:1IrootIB181E9A80914B9EB137FED146CA6378630F4A86CI127.1INiord2FB13B0413A2DE1373E356BC89FFF95CCFE8257IINiord*2FB13BO0413A2DE1373E356BC89FFF95CCFE8257IlocalhostNiorda2FB13B0413A2DE1373E356BC89FFF95CCFE8257IrmItwjbnau：i【：耳=之耳】B7ni<J=h<w三.；IIIiuslI,6BB4837EB7432915EE4568DDA7DC67ED2CA2AD99rowsinset(O.OOsec)P%mysql>grantallon*.*to,Iiusl,0,%,;QueryOK,0rowsaffected(0.00sec)NwugtpcognBnjquvn=三ysql>showgrantsforUusV¢,:ICmtsforUusUIG¾U11AiFMW1.EGESOK.三TOUvsl,V11e11IFiaBYPASSm)"688483737432915eE4568WA7K67B2O2W9,1rowinset(.Msec)mysql>.setpasswordorIiusi(d,%'=password(,iqazQueryOK,rowsaffected(.0sec)mysql>selecthost,user,passwordfromuser;host+Iuser.4.v.+I.x.passwordlocalhostIrootI*6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9guiIrootI*B181E9A80914B9EB137FED146CA637863F4A86C127.0.G.lIrootI*B181E9A8914B9EB137FED146CA637863F4A86C:1IrootI*B181E9A80914B9EB137FED146CA6378630F4A86C127.0.0.1INiordI*2FB13B0413A2DE1373E356BC89FFF95CCFE8257%INiordI*2FB13B413A2DE1373E356BC89FFF95CCFE8257IocalhostINiordI*2FB13B00413A2DE1373E356BC89FFF95CCFE8257IocalhostIISlI6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9%IIiusX>4>.I展4.*F337D98B7FC3A22DDE19392E2C46C1353DBC69mysql>dropuser,Iiusl,¢'*；QueryOK,rowsaffected(.00sec)mysq>selecthost,user,passwordfromuser;hostIuserP.IpasswordIocalhostIroot,TI*6BB4837EB7432915EE4568DDA7DC67ED2CA2AD9guiIrootI*B181E9A80914B9EB137FED146CA6378630F4A86C127.lIrootI*B181E9A8914B9EB137FED146CA6378630F4A86C:1IrootI*B181E9A8914B9EB137FED146CA6378630F4A86C127.lINiordI*2FB13B00413A2DE1373E356BC89FFF95CCFE8257%INiordI*2FB13B0413A2DE1373E356BC89FFF95CCFE8257localhostINiordI*2FB13B413A2DE1373E356BC89FFF95CCFE8257IocalhostIIsl+I÷<*6BB4837EB7432915EE4568DDA7DC67ED2CA2AD98rowsinset(.Osec)mysql>Ctrl-C-exit!Abortedroot0guibin#etcinit.d/mysqlrestartShuttingdownMySQ1.SUCCESS!StartingMySQ1.SUCCESS!rootguibin#mysql>showdatabases;IDatabase+-+Iinformation_schemaIdocmanagerIIiushuolinImysqlIperformance_schematest6rowsinset(0.00sec)mysq>useIiushuolin;ReadingtableinformationforcompletionoftableandcolumnnamesYoucanturnoffthisfeaturetogetaquickerstartupwith-ADatabasechangedmysql>showtables;ITabIeS_in_liushuolinIstudentIteachers2rowsinset(0.0。sec)&amysql>descstudent;IFieldTypeNullKeyDefaultExtraInamechar(l)NOPRINU1.1.1 hobbyvarchar(10)YESNU1.1.+2 rowsinset(0.01sec)?nIb9CbViIfB鼻UN0Qaaa®加由n物H*bBlOH9-2-9-2-BIbbb0Bl&m09NWQ-fgngvghtzqouvwfgpv,yjgt:g,pcog?NyI二林B)EP>/如t.t>EP</电tt林t_p>/7e7mysql>lcreateindexhelloonstudentobby);QueryOK,0rowsaffected(0.31sec)Records:Duplicates:Warnings:0mysql>descstudent;HFieldI卜十.ITypeINull卜+KeyIDefaultExtranameIchar(10)NOIPRIINU1.1.IhobbyIIvarchar(10)YESMU1.INU1.1.InumberIfloat(5,3)IYESINU1.1.I+H卜+3rowsinset(0.00sec)b>ysql>aertablestudentaddunique(number);QueryOK,rowsaffeeted(.34sec)Records:Duplicates:0Warnings:0nysql>descstudent;1.-I-A-I-I-q11IField¥HInameIhobbyInumberX.JITypeINull卜÷4Ichar(l)NOIvarchar(10)YESIfloat(5,3)IYESU_A-Jr11KeyI卜HPRlI三11.JIDefaultbHINU1.1.INU1.1.INU1.1.UJIExtra卜+IIII1.-X-Browsinset(.sec)nysql>altertablestudentaddfulltext(hobby)dQueryOK,t)rowsaffected,1warnngTl.27sec)Records:Duplicates:0Warnings:1nysql>descstudent;.4.IFieldTypeNull.IKeyIDefaultIExtraI+,+Inamechar(10)NOIPRIINU1.1.IIIhobbyvarchar(10)YEStt1.NU1.1.IIInumberfloat(5,3)YESIUNIINU1.1.IIH+3rowsinset(0.00sec)+5S3-0-0*feQtiDag64Aas吗ttxxxJNavicatPremium快捷式0C580字节SmMa&Bl3sNnunN12n.HIb9N1nN333nhsCfG&0,SS*tt*SRttScreateorreplacetriggerSYSDBA1'."TEST"afterINSERTon,SYSDBA"."321'referencingO1.DROWAS-O1.D-NEWROWAS"NEWforeachrowBEGIN触发器体"/Insertinto"SYSDBAnZSIZuCycnZbab/')values(!new."wjew.heilo");END;UPDATE触发器：createorreplacetriggerSYSDBA"."UPDA"afterUPDATEon"SYSDBA"."32referencingO1.DROWAS"O1.D"NEWROWAS"NEW"foreachrowBEGINupdate"312"set"yc-:O1.D."wjx"END;DE1.rrEit发器：createorreplacetriggermSYSDBAo.mDE1.EmafterDE1.ETEon"SYSDBAm."321"referencingO1.DROWAS"O1.D"NEWROWASmNEWmforeachrowBEGIN7(br三三/Sx¾SS/deletefromtt312,twherewyclf-iO1.D.lwjx"END;女MZflOEtra>'>MZ18nBM)O*n±ff(BCdIftnzBUUtut”SOOt0l>A4>»-«M«3TCCRAM5_W»n»«»R11N.TrBlHMIdl<M*BAOttlJ!MZ>