适用于Visual StudioSQL Optimizer:使用Quest Software的此扩展程序自动使查询更快

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  • 2022-04-25 01:26
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了解如何更改编写查询的方式可以使它们更快地运行。 本文将介绍优化SQL的自动化方法。 DBA已经这样做了多年,现在可供开发人员使用。
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内容介绍
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class="_ _0"></span>&#24744;&#30340;&#24212;&#29992;<span class="_ _0"></span>&#31243;&#24207;&#20197;&#26368;<span class="_ _0"></span>&#20339;&#24615;&#33021;&#36816;<span class="_ _0"></span>&#34892;&#65292;&#32780;&#19981;<span class="_ _0"></span>&#20250;&#32473;&#25968;&#25454;<span class="_ _0"></span>&#24211;&#36896;&#25104;&#36807;<span class="_ _0"></span>&#22810;&#36127;&#25285;&#65292;<span class="_ _0"></span>&#20174;&#32780;&#21487;&#20197;<span class="_ _0"></span>&#33410;&#30465;&#22823;&#37327;<span class="_ _0"></span>&#26102;&#38388;&#21644;</div><div class="t m0 x2 h5 y6 ff1 fs2 fc0 sc0 ls0 ws0">&#37329;&#38065;&#12290;<span class="ff3"> </span>&#26412;<span class="_ _0"></span>&#25991;&#23558;&#20171;&#32461;<span class="_ _0"></span><span class="ff3">Visual St<span class="_ _0"></span>udio</span>&#24320;&#21457;<span class="_ _0"></span>&#20154;&#21592;&#22914;&#20309;<span class="_ _0"></span>&#22312;&#19981;&#38656;&#35201;<span class="_ _0"></span><span 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_0"></span>&#20248;&#21270;<span class="ff3">SQ<span class="_ _0"></span>L</span>&#35821;&#21477;&#12290;<span class="_ _0"></span><span class="ff3"> </span>&#25191;&#34892;&#35745;<span class="_ _0"></span>&#21010;&#65292;&#36923;&#36753;<span class="_ _0"></span>&#35835;&#21462;&#65292;<span class="ff3">C<span class="_ _0"></span>PU</span>&#26102;&#38388;&#31561;<span class="_ _0"></span>&#27010;&#24565;&#20284;&#20046;<span class="_ _0"></span>&#20196;&#20154;&#22256;&#24785;<span class="_ _0"></span>&#65292;&#24182;&#30041;&#32473;</div><div class="t m0 x2 h5 y9 ff1 fs2 fc0 sc0 ls0 ws0">&#20102;<span class="ff3">SQL S<span class="_ _0"></span>erver D<span class="_ _0"></span>BA</span>&#12290;<span class="_ _0"></span><span class="ff3"> </span>&#22240;&#27492;&#65292;<span class="_ _0"></span>&#22312;&#23558;&#24212;&#29992;<span class="_ _0"></span>&#31243;&#24207;&#20174;&#24320;<span class="_ _0"></span>&#21457;&#36716;&#31227;&#21040;<span class="_ 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_0"></span>&#20154;&#21592;&#19981;&#20855;<span class="_ _0"></span>&#22791;&#25191;&#34892;<span class="ff3">S<span class="_ _0"></span>QL</span>&#35843;&#20248;&#25152;<span class="_ _0"></span>&#38656;&#30340;&#20016;&#23500;<span class="_ _0"></span>&#30693;&#35782;&#12290;</div><div class="t m0 x2 h4 yb ff2 fs1 fc0 sc0 ls0 ws0">SQL<span class="_ _0"></span> Serv<span class="_ _0"></span>er<span class="ff1">&#26597;&#35810;<span class="_ _5"></span>&#26597;&#35810;</span></div><div class="t m0 x2 h5 yc ff1 fs2 fc0 sc0 ls0 ws0">&#24744;&#30693;&#36947;&#22914;<span class="_ _0"></span>&#20309;&#32534;&#20889;<span class="ff3 fs3">S<span class="_ _0"></span>ELECT<span class="fs2"> </span></span>&#65292;<span class="_ _0"></span><span class="ff3"> <span class="fs3">INSERT</span> </span>&#65292;<span class="ff3"> <span class="fs3">UPD<span class="_ _0"></span>ATE</span></span>&#21644;<span class="ff3 fs3">DELETE<span class="_ _0"></span></span>&#35821;&#21477;&#12290;<span class="ff3"> </span>&#20294;&#26159;<span class="_ _0"></span>&#24744;&#30693;&#36947;&#21527;<span class="_ _0"></span>&#65292;&#23454;&#38469;&#19978;<span class="_ _0"></span>&#26377;&#25104;&#21315;&#19978;<span class="_ _0"></span>&#19975;&#31181;&#26041;&#27861;<span class="_ _0"></span>&#21487;&#20197;&#32534;&#20889;<span class="_ _0"></span><span class="ff3">SQL</span>&#35821;&#21477;<span class="_ _0"></span>&#24182;&#20135;</div><div class="t m0 x2 h5 yd ff1 fs2 fc0 sc0 ls0 ws0">&#29983;&#23436;&#20840;&#30456;<span class="_ _0"></span>&#21516;&#30340;&#32467;&#26524;<span class="_ _0"></span>&#65311;<span class="ff3"> </span>&#24403;&#24744;&#21521;<span class="_ _0"></span><span class="ff3">SQL Ser<span class="_ _0"></span>ver</span>&#21457;&#20986;&#26597;<span class="_ _0"></span>&#35810;&#26102;&#65292;&#23427;<span class="_ _0"></span>&#23558;&#22312;&#25191;&#34892;<span class="_ _0"></span>&#35821;&#21477;&#20043;&#21069;<span class="_ 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ws0">&#24212;&#29992;&#31243;&#24207;<span class="_ _0"></span>&#24615;&#33021;&#30340;&#20851;<span class="_ _0"></span>&#38190;&#12290;<span class="ff3"> Que<span class="_ _0"></span>st Softw<span class="_ _0"></span>are</span>&#25552;&#20379;&#30340;<span class="_ _0"></span>&#31867;&#20284;<span class="ff3">Visu<span class="_ _0"></span>al Studio<span class="_ _0"></span>SQL Opt<span class="_ _0"></span>imizer</span>&#30340;&#24037;<span class="_ _0"></span>&#20855;&#21487;&#20102;&#35299;<span class="_ _0"></span>&#25191;&#34892;&#35745;&#21010;<span class="_ _0"></span>&#30340;&#27599;&#20010;&#32454;<span class="_ _0"></span>&#33410;&#20197;&#21450;&#30456;</div><div class="t m0 x2 h5 y12 ff1 fs2 fc0 sc0 ls0 ws0">&#20851;&#30340;&#32479;&#35745;<span class="_ _0"></span>&#20449;&#24687;&#65292;&#24182;<span class="_ _0"></span>&#20351;&#29992;&#27492;&#20449;<span class="_ _0"></span>&#24687;&#26469;&#20248;&#21270;<span class="_ _0"></span><span class="ff3">SQL</span>&#35821;&#21477;<span class="_ _0"></span>&#12290;</div><div class="t m0 x2 h4 y13 ff1 fs1 fc0 sc0 ls0 ws0">&#36825;&#20010;&#24590;<span class="_ _0"></span>&#20040;&#36816;<span class="_ _0"></span>&#20316;<span class="_ _7"></span>&#36825;&#20010;&#24590;<span class="_ _0"></span>&#20040;&#36816;<span class="_ _0"></span>&#20316;</div><div class="t m0 x2 h5 y14 ff1 fs2 fc0 sc0 ls0 ws0">&#26816;&#26597;&#21407;&#22987;<span class="_ _0"></span>&#26597;&#35810;&#20197;&#26597;<span class="_ _0"></span>&#30475;&#21487;&#20197;&#23545;<span class="_ _0"></span>&#20854;&#24212;&#29992;&#21738;<span class="_ _0"></span>&#31181;&#36716;&#25442;&#12290;<span class="_ _0"></span><span class="ff3"> </span>&#24744;&#36807;&#21435;&#21487;<span class="_ _0"></span>&#33021;&#32771;&#34385;&#36807;<span class="_ _0"></span>&#30340;&#31616;&#21333;&#36716;<span class="_ _0"></span>&#25442;&#26159;&#22312;<span class="ff3">w<span class="_ _0"></span>here</span>&#23376;&#21477;<span class="_ _0"></span>&#20013;&#20351;&#29992;<span class="ff3 fs3">IN<span class="_ _0"></span><span class="fs2"> </span></span>&#65292;<span class="ff3"> <span class="fs3">EXISTS</span></span>&#25110;&#38142;&#25509;&#30340;<span class="ff3 fs3">O<span class="_ _0"></span>R</span></div><div class="t m0 x2 h5 y15 ff1 fs2 fc0 sc0 ls0 ws0">&#12290;<span class="ff3"> SQL O<span class="_ _0"></span>ptimizer</span>&#24341;<span class="_ _0"></span>&#25806;&#30693;&#36947;&#35768;<span class="_ _0"></span>&#22810;&#36825;&#26679;&#30340;<span class="_ _0"></span>&#36716;&#25442;&#65292;&#20294;<span class="_ _0"></span>&#36716;&#25442;&#30340;&#22797;<span class="_ _0"></span>&#26434;&#24230;&#21508;&#19981;<span class="_ _0"></span>&#30456;&#21516;&#12290;<span class="ff3"> </span>&#24212;<span class="_ _0"></span>&#29992;&#36716;&#25442;&#21518;<span class="_ _0"></span>&#65292;&#23427;&#23558;&#26597;<span class="_ _0"></span>&#30475;&#32467;&#26524;&#35821;<span class="_ _0"></span>&#21477;&#65292;&#20877;&#27425;<span class="_ _0"></span>&#26816;&#26597;&#23427;&#20204;<span class="_ _0"></span>&#20197;</div><div class="t m0 x2 h5 y16 ff1 fs2 fc0 sc0 ls0 ws0">&#26597;&#30475;&#21487;&#20197;<span class="_ _0"></span>&#24212;&#29992;&#21738;&#20123;<span class="_ _0"></span>&#36716;&#25442;&#12290;</div><div class="t m0 x2 h5 y17 ff1 fs2 fc0 sc0 ls0 ws0">&#22270;<span class="ff3">1.</span>&#23558;<span class="ff3">S<span class="_ _0"></span>QL</span>&#36716;&#25442;&#20026;<span class="_ _0"></span>&#35768;&#22810;&#37325;&#20889;</div><div class="t m0 x2 h5 y18 ff1 fs2 fc0 sc0 ls0 ws0">&#22312;&#27492;&#36807;&#31243;<span class="_ _0"></span>&#20165;&#36827;&#34892;&#20102;<span class="_ _0"></span>&#20960;&#27425;&#36845;&#20195;<span class="_ _0"></span>&#20043;&#21518;&#65292;&#23427;<span class="_ _0"></span>&#20135;&#29983;&#20102;&#35768;<span class="_ _0"></span>&#22810;&#19981;&#21516;&#30340;<span class="_ _0"></span>&#26041;&#24335;&#26469;&#32534;<span class="_ _0"></span>&#20889;&#30456;&#21516;<span class="ff3">S<span class="_ _0"></span>QL</span>&#35821;&#21477;&#12290;<span class="_ _0"></span><span class="ff3"> </span>&#20351;&#29992;<span class="_ _0"></span>&#22522;&#20110;&#38598;&#21512;<span class="_ _0"></span>&#35770;&#30340;&#25968;&#23398;<span class="_ _0"></span>&#27169;&#22411;&#65292;&#21487;<span class="_ _0"></span>&#20197;&#20445;&#35777;&#21407;</div><div class="t m0 x2 h5 y19 ff1 fs2 fc0 sc0 ls0 ws0">&#22987;&#35821;&#21477;&#30340;<span class="_ _0"></span>&#27599;&#27425;&#37325;&#20889;<span class="_ _0"></span>&#22312;&#35821;&#20041;&#19978;<span class="_ _0"></span>&#37117;&#26159;&#31561;&#25928;<span class="_ _0"></span>&#30340;&#12290;<span class="ff3"> </span>&#25442;&#21477;<span class="_ _0"></span>&#35805;&#35828;&#65292;&#23427;<span class="_ _0"></span>&#20204;&#22312;&#25191;&#34892;<span class="_ _0"></span>&#26102;&#37117;&#20250;&#20135;<span class="_ _0"></span>&#29983;&#30456;&#21516;&#30340;<span class="_ _0"></span>&#35760;&#24405;&#12290;<span class="ff3"> </span>&#26368;<span class="_ _0"></span>&#21518;&#65292;&#20351;&#29992;<span class="_ _0"></span>&#20154;&#24037;&#26234;&#33021;<span class="_ _0"></span><span class="ff3">&#8220;</span>&#21453;&#39304;&#25628;&#32034;<span class="_ _0"></span><span class="ff3">&#8221;</span>&#24341;</div><div class="t m0 x2 h5 y1a ff1 fs2 fc0 sc0 ls0 ws0">&#25806;&#65292;&#29992;&#20110;<span class="_ _0"></span><span class="ff3">Visual S<span class="_ _0"></span>tudioSQL<span class="_ _0"></span> Optimize<span class="_ _0"></span>r</span>&#25552;&#20379;&#20102;&#32534;<span class="_ _0"></span>&#20889;<span class="ff3">SQL</span>&#35821;<span class="_ _0"></span>&#21477;&#30340;&#26368;&#20339;<span class="_ _0"></span>&#26041;&#27861;&#12290;<span class="_ _0"></span><span class="ff3"> </span>&#32467;&#26524;&#26159;<span class="_ _0"></span>&#20248;&#21270;&#20102;<span class="ff3">SQ<span class="_ _0"></span>L</span>&#12290;</div><div class="t m0 x2 h4 y1b ff1 fs1 fc0 sc0 ls0 ws0">&#30452;&#25509;&#22312;<span class="_ _8"></span>&#30452;&#25509;&#22312;<span class="_ _2"></span><span class="ff2">Visu<span class="_ _0"></span>al S<span class="_ _0"></span>tudio<span class="_ _0"></span></span>&#20869;&#37096;&#20248;<span class="_ _0"></span>&#21270;<span class="_ _1"></span>&#20869;&#37096;<span class="_ _0"></span>&#20248;&#21270;<span class="_ _2"></span><span class="ff2">SQL</span></div><div class="t m0 x2 h5 y1c ff1 fs2 fc0 sc0 ls0 ws0">&#29992;&#20110;<span class="ff3">Visu<span class="_ _0"></span>al Studio<span class="_ _0"></span>SQL Opt<span class="_ _0"></span>imizer</span>&#25193;&#23637;<span class="_ _0"></span>&#20102;<span class="ff3">Visua<span class="_ _0"></span>l Studio</span>&#65292;<span class="_ _0"></span>&#20197;&#20801;&#35768;&#20219;<span class="_ _0"></span>&#20309;&#24320;&#21457;&#20154;<span class="_ _0"></span>&#21592;&#21033;&#29992;&#27492;<span class="_ _0"></span>&#36807;&#31243;&#26469;&#36731;<span class="_ _0"></span>&#26494;&#20248;&#21270;&#20854;<span class="_ _0"></span><span class="ff3">SQL</span>&#35821;&#21477;<span class="_ _0"></span>&#12290;</div><div class="t m0 x2 h5 y1d ff1 fs2 fc0 sc0 ls0 ws0">&#23433;&#35013;<span class="ff3">SQ<span class="_ _0"></span>L Optimiz<span class="_ _0"></span>er</span>&#20043;&#21518;&#65292;<span class="_ _0"></span>&#21491;&#38190;&#21333;&#20987;<span class="_ _0"></span>&#20219;&#20309;<span class="ff3">&#8220;</span>&#35299;&#20915;<span class="_ _0"></span>&#26041;&#26696;<span class="ff3">&#8221;</span>&#25110;<span class="_ _0"></span><span class="ff3">&#8220;</span>&#39033;&#30446;<span class="ff3">&#8221;</span>&#33410;<span class="_ _0"></span>&#28857;&#20197;&#22312;&#24744;<span class="_ _0"></span>&#30340;&#24212;&#29992;&#31243;<span class="_ _0"></span>&#24207;&#20013;&#25214;&#21040;<span class="_ _0"></span>&#25152;&#26377;<span class="ff3">SQL</span>&#12290;<span class="_ _0"></span><span class="ff3"> </span>&#19982;&#24744;<span class="_ _0"></span>&#30340;&#24212;&#29992;&#31243;<span class="_ _0"></span>&#24207;&#20851;&#32852;</div><div class="t m0 x2 h5 y1e ff1 fs2 fc0 sc0 ls0 ws0">&#30340;&#25152;&#26377;&#28304;<span class="_ _0"></span>&#20195;&#30721;&#37117;&#23558;<span class="_ _0"></span>&#34987;&#25195;&#25551;&#20197;<span class="_ _0"></span>&#26597;&#25214;<span class="ff3">SQ<span class="_ _0"></span>L</span>&#35821;&#21477;&#12290;</div></div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div> </body> </html>
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