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---
layout : article
title: "SQL 자주 하는 실수 및 효과적인 SQL 작성법 모음"
aside:
toc: true
tags: Database
category : Database
author: melonicedlatte
published : True
hellogohn_num : 175
key : 2017-11-18-190624
---
<p></p><p></p><p></p><p>개발자가 흔히 실수하는 SQL 과 효율적인 SQL 작성법 모음입니다.&nbsp;</p><p><br><img src="/system/uploads/images/000/000/458/original/%E1%84%89%E1%85%B3%E1%84%8F%E1%85%B3%E1%84%85%E1%85%B5%E1%86%AB%E1%84%89%E1%85%A3%E1%86%BA_2017-11-18_%E1%84%8B%E1%85%A9%E1%84%92%E1%85%AE_7.08.22.png?1510999792" style="width: 800px;"><br><br><a href="http://d2.naver.com/helloworld/1155">http://d2.naver.com/helloworld/1155</a><br></p><h1 class="posting_tit" data-reactid=".0.1.0.0.0.0.0" style="margin-top: 0px; margin-bottom: 0px; padding: 0px 0px 20px; font-weight: normal; font-size: 30px; color: rgb(67, 74, 83); font-family: Avenir, Lato, &quot;애플 SD 산돌고딕 Neo&quot;, &quot;Apple SD Gothic Neo&quot;, 나눔바른고딕, NanumBarunGothic, 나눔고딕, NanumGothic, &quot;맑은 고딕&quot;, &quot;Malgun Gothic&quot;, 돋움, dotum, AppleGothic, sans-serif;">성능 향상을 위한 SQL 작성법입니다.&nbsp;<br><span style="font-size: 24px;">네이버 D2에서 작성한 글입니다.&nbsp;</span></h1><p><br></p><p><iframe src="//www.slideshare.net/slideshow/embed_code/key/1kk1QaXAEpuqeF" width="595" height="485" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC; border-width:1px; margin-bottom:5px; max-width: 100%;" allowfullscreen=""> </iframe> </p><div style="margin-bottom:5px"> <strong> <a href="//www.slideshare.net/redrebel/20140510-34551078" title="개발자들이 흔히 실수하는 SQL 7가지" target="_blank">개발자들이 흔히 실수하는 SQL 7가지</a> </strong> from <strong><a href="https://www.slideshare.net/redrebel" target="_blank">JungGeun Lee</a></strong> </div><p><br></p><p><iframe src="//www.slideshare.net/slideshow/embed_code/key/4gNIcObzWikEiu" width="595" height="485" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" allowfullscreen="" style="border-width: 1px; border-style: solid; border-color: rgb(204, 204, 204); margin-bottom: 5px; max-width: 100%;"></iframe><br></p><div style="margin-bottom:5px"> <strong> <a href="//www.slideshare.net/topcredu/sql-for-sqlsqltipsql" title="(SQL초보자를 위한, 쿼리최적화 for SQL튜닝)SQL쿼리작성Tip,최적화팁,최적화된SQL작성방법교육" target="_blank">(SQL초보자를 위한, 쿼리최적화 for SQL튜닝)SQL쿼리작성Tip,최적화팁,최적화된SQL작성방법교육</a> </strong> from <strong><a href="https://www.slideshare.net/topcredu" target="_blank">탑크리에듀(구로디지털단지역3번출구 2분거리)</a></strong> </div><p></p><p><br></p><iframe src="//www.slideshare.net/slideshow/embed_code/key/u3v6NLm0OoJFrO" width="668" height="714" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC; border-width:1px; margin-bottom:5px; max-width: 100%;" allowfullscreen=""> </iframe> <div style="margin-bottom:5px"> <strong> <a href="//www.slideshare.net/Devgear/sql-41391207" title="성능 좋은 SQL 작성법" target="_blank">성능 좋은 SQL 작성법</a> </strong> from <strong><a href="https://www.slideshare.net/Devgear" target="_blank">Devgear</a></strong></div><div style="margin-bottom:5px"><strong><br></strong></div><div style="margin-bottom:5px"><strong><br></strong></div><div style="margin-bottom:5px"><strong><br></strong> </div>
<iframe src="//www.slideshare.net/slideshow/embed_code/key/3Oz2GpR1ENWAxa" width="595" height="485" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC; border-width:1px; margin-bottom:5px; max-width: 100%;" allowfullscreen=""> </iframe><p></p><p><br></p><iframe src="//www.slideshare.net/slideshow/embed_code/key/pWXecDT2UbtXDA" width="595" height="485" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC; border-width:1px; margin-bottom:5px; max-width: 100%;" allowfullscreen=""> </iframe> <div style="margin-bottom:5px"> <strong> <a href="//www.slideshare.net/HeedongKang/sql-2-55326451" title="효율적인Sql작성방법 2주차" target="_blank">효율적인Sql작성방법 2주차</a> </strong> from <strong><a href="https://www.slideshare.net/HeedongKang" target="_blank">희동 강</a></strong></div><div style="margin-bottom:5px"><strong><br></strong></div><div style="margin-bottom:5px"><strong><br><p></p><p><a href="https://www.slideshare.net/HeedongKang" target="_blank"><br><iframe src="//www.slideshare.net/slideshow/embed_code/key/3ziRfpIRSLVboh" width="595" height="485" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC; border-width:1px; margin-bottom:5px; max-width: 100%;" allowfullscreen=""> </iframe> </a></p><div style="margin-bottom:5px"><a href="https://www.slideshare.net/HeedongKang" target="_blank"> <strong> </strong></a><strong><a href="//www.slideshare.net/HeedongKang/sql-3-55488684" title="효율적인Sql작성방법 3주차" target="_blank">효율적인Sql작성방법 3주차</a> </strong> from <strong><a href="https://www.slideshare.net/HeedongKang" target="_blank">희동 강</a></strong></div><p style="margin-bottom:5px"><br></p></strong></div><br>
<iframe src="//www.slideshare.net/slideshow/embed_code/key/DqWKmQPmR4fDLw" width="595" height="485" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" style="border:1px solid #CCC; border-width:1px; margin-bottom:5px; max-width: 100%;" allowfullscreen=""> </iframe> <div style="margin-bottom:5px"> <strong> <a href="//www.slideshare.net/HeedongKang/sql-4-56005198" title="효율적인Sql작성방법 4주차" target="_blank">효율적인Sql작성방법 4주차</a> </strong> from <strong><a href="https://www.slideshare.net/HeedongKang" target="_blank">희동 강</a></strong> </div>
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