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	<title>NoSQL &amp;&amp; RDMBS - 四号程序员</title>
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		<title>sqlcl用法</title>
		<link>https://www.coder4.com/archives/7769</link>
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		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Fri, 12 Aug 2022 10:37:08 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[NoSQL && RDMBS]]></category>
		<category><![CDATA[Oracle]]></category>
		<category><![CDATA[shell]]></category>
		<category><![CDATA[sqlcl]]></category>
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					<description><![CDATA[sqlcl是由Oracle官方推出的一款轻量级sql命令行客户端工具，基于Java开发，可以替代臃肿、安装麻烦的sqlplus。 官网下载：https://www.oracle.com/tools/sqlcl/sqlcl-relnotes-203.html 我推荐的这个版本是可以JDK8，最新版必须JDK11，你懂得。 通过service_name连接： ./bin/sql user/pass@ip:1521/service_name 通过sid连接 （待验证）： sql[......] 继续阅读]]></description>
		
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		<title>如何将txt文本导入sqlite3的数据库中</title>
		<link>https://www.coder4.com/archives/4118</link>
					<comments>https://www.coder4.com/archives/4118#respond</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Wed, 29 Jan 2014 09:13:33 +0000</pubDate>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[NoSQL && RDMBS]]></category>
		<category><![CDATA[sqlite3]]></category>
		<category><![CDATA[txt]]></category>
		<category><![CDATA[文本]]></category>
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					<description><![CDATA[sqlite3 xxx.sqllite .separator \t .import file geo_quantity_sspu 其中，xxx.sql是sqlite3的数据库文件。file的每一行表示一条记录，由\t分割。[......] 继续阅读]]></description>
		
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		<title>Java核心技术卷II(第8版) – 读书笔记 – 第4章</title>
		<link>https://www.coder4.com/archives/2906</link>
					<comments>https://www.coder4.com/archives/2906#comments</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Sun, 12 Feb 2012 09:07:32 +0000</pubDate>
				<category><![CDATA[Java]]></category>
		<category><![CDATA[Java && J2EE]]></category>
		<category><![CDATA[Java核心技术]]></category>
		<category><![CDATA[JDBC]]></category>
		<category><![CDATA[NoSQL && RDMBS]]></category>
		<category><![CDATA[卷2]]></category>
		<category><![CDATA[核心技术]]></category>
		<category><![CDATA[第4章]]></category>
		<category><![CDATA[读书笔记]]></category>
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					<description><![CDATA[本章主要记录Java操作数据库 1、JDBC是Java操作数据库的接口，现在的版本已经是JDBC 4了。 2、JDBC的设计理念就是提供一套基本统一，纯Java的API数据库访问接口。JDBC实际是驱动管理器，各个厂家提供JDBC规范的驱动，注册到管理器中。这样，开发者使用JDBC API，而数据库厂商使用JDBC驱动API。 3、JDBC驱动的分类： (1)JDBC/ODBC桥：将JDBC翻译成ODBC，然后实际调用ODBC来完成数据库操作。 (2)JDBC+本地代码：用[......] 继续阅读]]></description>
		
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		<title>MySQL中index和key的关系，好冷啊……</title>
		<link>https://www.coder4.com/archives/1317</link>
					<comments>https://www.coder4.com/archives/1317#comments</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Wed, 05 Jan 2011 16:04:28 +0000</pubDate>
				<category><![CDATA[数据库技术]]></category>
		<category><![CDATA[index]]></category>
		<category><![CDATA[key]]></category>
		<category><![CDATA[MySQL]]></category>
		<category><![CDATA[NoSQL && RDMBS]]></category>
		<category><![CDATA[关系]]></category>
		<category><![CDATA[区别]]></category>
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					<description><![CDATA[KEY is normally a synonym for INDEX. The key attribute PRIMARY KEY can also be specified as just KEY when given in a column definition. This was implemented for compatibility with other database systems. 简言之，在MySQL中，INDEX和KEY的概念是一样的。PRIMAR[......] 继续阅读]]></description>
		
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		<title>C#数据库开发相关技巧汇总(转)</title>
		<link>https://www.coder4.com/archives/121</link>
					<comments>https://www.coder4.com/archives/121#respond</comments>
		
		<dc:creator><![CDATA[coder4]]></dc:creator>
		<pubDate>Fri, 27 Nov 2009 09:25:40 +0000</pubDate>
				<category><![CDATA[Visual C++ && C#]]></category>
		<category><![CDATA[c语言]]></category>
		<category><![CDATA[NoSQL && RDMBS]]></category>
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					<description><![CDATA[转载自：http://www.csharpwin.com/csharpspace/7098r1147.shtml C#数据库开发一．用SqlConnection连接SQLServer 1.加入命名空间 usingSystem.Data.SqlClient;&#160; &#160;&#160;&#160; 2.连接数据库 SqlConnection myConnection=new SqlConnection(); &#160; myConnection.ConnectionSt[......] 继续阅读]]></description>
		
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