说明：
这是2010年1月12日从Oracle官方网站下载的最新版本，官网也就是从这一天开始才正式提供正确的下载路径，所以在此之前没有出现过这个2.1版。
注意：
除非内含jdk1.6.11，否则需要在系统中安装有jdk1.6.11或以上版本，否则无法正常运行。
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所有sqldeveloper的下载地址：
Oracle SQL Developer 2.1.0.63.73 for 32bit-windows-with-jdk1.6.11下载地址：
part1:
http://download.csdn.net/source/1988257
part2:
http://download.csdn.net/source/1988297
part3:
http://download.csdn.net/source/1988320
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Oracle SQL Developer 2.1.0.63.73 for 32bit-windows-no-jre下载地址：
part1:
http://download.csdn.net/source/1990426
part2:
http://download.csdn.net/source/1990448
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Oracle SQL Developer 2.1.0.63.73 for 64bit-windows-no-jre下载地址：
part1:
http://download.csdn.net/source/1990232
part2:
http://download.csdn.net/source/1990238
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Oracle SQL Developer 2.1.0.63.73 for linux-noarch下载地址：
part1:
http://download.csdn.net/source/1990256
part2:
http://download.csdn.net/source/1990265
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Oracle SQL Developer 2.1.0.63.73 for mac-osx-no-jre下载地址：
part1:
http://download.csdn.net/source/1990322
part2:
http://download.csdn.net/source/1990328
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Oracle SQL Developer 2.1.0.63.73 for other-platform-no-jre下载地址：
part1:
http://download.csdn.net/source/1990381
part2:
http://download.csdn.net/source/1990408
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Oracle SQL Developer 1.5.5.59.69-with-jdk6下载地址：
part1:
http://download.csdn.net/source/1986539
part2:
http://download.csdn.net/source/1986547
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There is no in-place upgrade available. To install Oracle SQL Developer 2.1 download the file and unzip into an empty folder. Select the "Use folder names" checkbox when unzipping the file. You can migrate your settings from Oracle SQL Developer 1.2.1. or Oracle SQL Developer 1.5.x. See the Release Notes 2.1 for more details.
JDK Support
Oracle SQL Developer 2.1 is shipped with JDK1.6_11. However, you can connect to and use any JDK 1.6.11 or above. To use an existing JDK, download the zip files listed below "with JDK already installed."
Use Check for Updates to install:
Third-party database drivers for Sybase, SQL Server and MySQL. For more information on setting up the third-party drivers, see Migrations: Getting Started
Version control systems, Concurrent Versions System (CVS), Serena Dimensions or Perforce.
