144 lines
5.8 KiB
HTML
144 lines
5.8 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>CSE 4/562 - Spring 2018</title>
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<meta name="description" content="CSE 4/562 - Spring 2018">
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<meta name="author" content="Oliver Kennedy">
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<meta name="apple-mobile-web-app-capable" content="yes" />
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<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">
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<link rel="stylesheet" href="../reveal.js-3.6.0/css/reveal.css">
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<link rel="stylesheet" href="ubodin.css" id="theme">
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<!-- Code syntax highlighting -->
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<link rel="stylesheet" href="../reveal.js-3.6.0/lib/css/zenburn.css">
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<!-- Printing and PDF exports -->
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<script>
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var link = document.createElement( 'link' );
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link.rel = 'stylesheet';
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link.type = 'text/css';
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link.href = window.location.search.match( /print-pdf/gi ) ? '../reveal.js-3.6.0/css/print/pdf.css' : '../reveal.js-3.6.0/css/print/paper.css';
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document.getElementsByTagName( 'head' )[0].appendChild( link );
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</script>
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<script src="../reveal.js-3.6.0/lib/js/head.min.js"></script>
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<!--[if lt IE 9]>
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<script src="../reveal.js-3.6.0/lib/js/html5shiv.js"></script>
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<![endif]-->
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</head>
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<body>
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<div class="reveal">
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<!-- Any section element inside of this container is displayed as a slide -->
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<div class="header">
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<!-- Any Talk-Specific Header Content Goes Here -->
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CSE 4/562 - Database Systems
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</div>
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<div class="slides">
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<section>
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<h1>Access Paths, Index Scan, Aggregates</h1>
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<h3>CSE 4/562 – Database Systems</h3>
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<h5>February 26, 2018</h5>
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</section>
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<!-- ============================================ -->
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<section>
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<section>
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<h3>General Query Optimizers</h3>
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<ol style="font-size: 60%">
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<li class="fragment" data-fragment-index="1">Apply blind heuristics (e.g., push down selections)</li>
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<li class="fragment" data-fragment-index="2">Enumerate all possible <i>execution plans</i> by varying <span class="fragment" data-fragment-index="6" style="font-size: 80%;">(or for a reasonable subset)</span>
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<ul>
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<li>Join/Union Evaluation Order (commutativity, associativity, distributivity)</li>
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<li class="fragment" data-fragment-index="3"><span class="fragment highlight-blue" data-fragment-index="8">Algorithms</span> for Joins, <span class="fragment highlight-blue" data-fragment-index="7">Aggregates, Sort, Distinct</span>, and others</span></li>
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<li class="fragment" data-fragment-index="3">Data <span class="fragment highlight-blue" data-fragment-index="9">Access Paths</span></li>
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</ul>
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</li>
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<li class="fragment" data-fragment-index="4"><span class="fragment highlight-blue" data-fragment-index="10">Estimate</span> the cost of each execution plan</li>
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<li class="fragment" data-fragment-index="5">Pick the execution plan with the lowest cost</li>
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</ol>
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</section>
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</section>
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<!-- ============================================ -->
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</div></div>
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<script src="../reveal.js-3.6.0/js/reveal.js"></script>
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<script>
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// Full list of configuration options available at:
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// https://github.com/hakimel/../reveal.js#configuration
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Reveal.initialize({
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controls: false,
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progress: true,
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history: true,
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center: true,
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slideNumber: true,
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transition: 'fade', // none/fade/slide/convex/concave/zoom
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chart: {
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defaults: {
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global: {
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title: { fontColor: "#333", fontSize: 24 },
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legend: {
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"rgba(220,220,220,0.8)",
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"rgba(205,151,187,0.8)",
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"rgba(187,205,151,0.8)"
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]
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// Optional ../reveal.js plugins
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dependencies: [
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{ src: '../reveal.js-3.6.0/lib/js/classList.js', condition: function() { return !document.body.classList; } },
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{ src: '../reveal.js-3.6.0/plugin/math/math.js',
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condition: function() { return true; },
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mathjax: '../reveal.js-3.6.0/js/MathJax.js'
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},
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{ src: '../reveal.js-3.6.0/plugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: '../reveal.js-3.6.0/plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
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{ src: '../reveal.js-3.6.0/plugin/highlight/highlight.js', async: true, condition: function() { return !!document.querySelector( 'pre code' ); }, callback: function() { hljs.initHighlightingOnLoad(); } },
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{ src: '../reveal.js-3.6.0/plugin/zoom-js/zoom.js', async: true },
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{ src: '../reveal.js-3.6.0/plugin/notes/notes.js', async: true },
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// Chart.min.js
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{ src: '../reveal.js-3.6.0/plugin/chart/Chart.min.js'},
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// the plugin
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{ src: '../reveal.js-3.6.0/plugin/chart/csv2chart.js'},
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{ src: '../reveal.js-3.6.0/plugin/svginline/es6-promise.auto.js', async: false },
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{ src: '../reveal.js-3.6.0/plugin/svginline/data-src-svg.js', async: false }
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]
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});
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</script>
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</body>
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</html>
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