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	<title>字符集 &#8211; 21點情報網</title>
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		<title>查詢Oracle Database所使用的編碼(字符集)</title>
		<link>https://ailog.tw/lifelog/2021/08/01/search-oracle-characterset/</link>
		
		<dc:creator><![CDATA[blackjack]]></dc:creator>
		<pubDate>Sun, 01 Aug 2021 14:06:39 +0000</pubDate>
				<category><![CDATA[3C資訊]]></category>
		<category><![CDATA[Database]]></category>
		<category><![CDATA[CHARACTERSET]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[字符集]]></category>
		<category><![CDATA[查詢]]></category>
		<category><![CDATA[編碼]]></category>
		<category><![CDATA[資料庫]]></category>
		<guid isPermaLink="false">https://ailog.tw/lifelog/?p=10461</guid>

					<description><![CDATA[資料庫通常都支援多種編碼方式，尤其台灣早期很多系統都使用Big5，直到近10年才漸漸普及使用UTF-8編碼，因 &#8230; <p class="link-more"><a href="https://ailog.tw/lifelog/2021/08/01/search-oracle-characterset/" class="more-link">閱讀全文<span class="screen-reader-text">〈查詢Oracle Database所使用的編碼(字符集)〉</span></a></p>]]></description>
										<content:encoded><![CDATA[<p><span style="font-size: 14pt; font-family: verdana, geneva;">資料庫通常都支援多種編碼方式，尤其台灣早期很多系統都使用Big5，直到近10年才漸漸普及使用UTF-8編碼，因此了解資料庫的編碼，</span><span style="font-size: 14pt; font-family: verdana, geneva;">對於資料的備份或連線設定都是很重要的資訊，小編今天就帶大家一起來了解如何查詢Oracle Database的編碼(字符集)。<span id="more-10461"></span></span></p>
<p><span style="font-size: 14pt; font-family: verdana, geneva;">操作步驟：</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">01、登入Oracle資料庫</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">指令：</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">sqlplus &#8220;/ as sysdba&#8221;</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;"><img fetchpriority="high" decoding="async" class="alignnone size-full wp-image-10462" src="https://ailog.tw/lifelog/wp-content/uploads/2021/08/search-oracle-characterset-01.png" alt="" width="799" height="270" srcset="https://ailog.tw/lifelog/wp-content/uploads/2021/08/search-oracle-characterset-01.png 799w, https://ailog.tw/lifelog/wp-content/uploads/2021/08/search-oracle-characterset-01-300x101.png 300w, https://ailog.tw/lifelog/wp-content/uploads/2021/08/search-oracle-characterset-01-768x260.png 768w" sizes="(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px" /></span></p>
<p><span style="font-size: 14pt; font-family: verdana, geneva;">02、查詢編碼(字符集)</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">指令：</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">select * from nls_database_parameters;</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;"><img decoding="async" class="alignnone size-full wp-image-10463" src="https://ailog.tw/lifelog/wp-content/uploads/2021/08/search-oracle-characterset-02.png" alt="" width="966" height="209" srcset="https://ailog.tw/lifelog/wp-content/uploads/2021/08/search-oracle-characterset-02.png 966w, https://ailog.tw/lifelog/wp-content/uploads/2021/08/search-oracle-characterset-02-300x65.png 300w, https://ailog.tw/lifelog/wp-content/uploads/2021/08/search-oracle-characterset-02-768x166.png 768w" sizes="(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px" /></span></p>
<p><span style="font-size: 14pt; font-family: verdana, geneva;">查看「NLS_CHARACTERSET」設定</span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;"><img decoding="async" class="alignnone size-full wp-image-10464" src="https://ailog.tw/lifelog/wp-content/uploads/2021/08/search-oracle-characterset-03.png" alt="" width="464" height="308" srcset="https://ailog.tw/lifelog/wp-content/uploads/2021/08/search-oracle-characterset-03.png 464w, https://ailog.tw/lifelog/wp-content/uploads/2021/08/search-oracle-characterset-03-300x199.png 300w" sizes="(max-width: 464px) 100vw, 464px" /></span><br />
<span style="font-size: 14pt; font-family: verdana, geneva;">備註說明：本範例的資料庫就是採用BIG5</span></p>
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