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SQL Server 2025下载安装教程(附安装包)零基础入门

  • 2026-11-07 00:50:56
SQL Server 2025下载安装教程(附安装包)零基础入门

这篇是一份写给新手的 SQL Server 安装教程,把 SQL Server 2025 从 SQL Server 下载到跑起来的过程拆成了一条直线,每一步都配了截图。文中的 SQL Server 2025 安装包获取入口放在前面,拿完就能开始装。即便之前没碰过数据库,照着顺序做完也能连上实例。

写在前面

这次装的主体是 SQL Server 2025,SQL Server 安装包体积 3.2G,系统得是 Win10/11 64 位。整套流程其实谈不上复杂,跟着下面一条一条走即可。
SQL Server 2025下载安装教程(附安装包)零基础入门

安装须知

解压和安装之前,先把 360、电脑管家这类安全软件退干净。

Win 10 系统要进“设置>更新与安全>Windows安全中心>病毒和威胁防护>管理设置>实时保护>关”,把实时保护关掉,免得安装组件被当成可疑程序拦下来,后面启用阶段跟着失败。

Win 11 系统走的是“设置>隐私与安全性>Windows安全中心>病毒和威胁防护>管理设置>实时保护>关”,原因一样。

SQL Server 2025 安装包获取

yc3ble9.pan.bee3kw.com


SQL Server 2025 安装教程

下面的步骤就是这份 SQL Server 安装教程的主体,向导页面上基本都是点下一步往前走。SQL Server 2025 安装包解压之后,里面的文件名和层级都别改动,装的过程中要按原名去找。

【1】先找到刚下载好的压缩包,选中它,鼠标右键点“解压到当前文件夹”
SQL Server 2025下载安装教程(附安装包)零基础入门

【2】进到解压出来的目录里,找到“SQLServer2025-x64-CHS-StandardDev.iso“这个文件,右键选”装载“(菜单里看不到”装载“的,改成右键”打开方式—Windows资源管理器“来打开)

提示:软件装好之后,装载过的 iso 文件在右键菜单里选“弹出”就能退出。
SQL Server 2025下载安装教程(附安装包)零基础入门
【3】在打开的这个目录里找到“setup.exe“,右键点”以管理员身份运行”
SQL Server 2025下载安装教程(附安装包)零基础入门
【4】进入安装中心先点“安装“,再点”全新SQL Server独立安装或向现有安装添加功能”
SQL Server 2025下载安装教程(附安装包)零基础入门
【5】点“下一步”继续
SQL Server 2025下载安装教程(附安装包)零基础入门
【6】把“我接受许可条款...“勾上,点“下一步”
SQL Server 2025下载安装教程(附安装包)零基础入门
【7】点“下一步”
SQL Server 2025下载安装教程(附安装包)零基础入门
【8】点“下一步”
SQL Server 2025下载安装教程(附安装包)零基础入门
【9】把“适用于...“前面的勾去掉,点”下一步”
SQL Server 2025下载安装教程(附安装包)零基础入门
【10】按需要勾选要装的功能,安装位置也能自己改,本例放在 D 盘(把路径开头的 C 换成 D 就行,其余字符别动,路径里不能带中文),然后点“下一步”
SQL Server 2025下载安装教程(附安装包)零基础入门
【11】点“下一步”
SQL Server 2025下载安装教程(附安装包)零基础入门
【12】点“下一步”
SQL Server 2025下载安装教程(附安装包)零基础入门

【13】选“混合模式“,填好密码(启动密码),点“添加当前用户“,再点“下一步”

提示:这个密码记牢,登录实例的时候要用到。
SQL Server 2025下载安装教程(附安装包)零基础入门
【14】点“安装”,开始正式部署
SQL Server 2025下载安装教程(附安装包)零基础入门
【15】安装过程要跑一阵子,耐心等它走完
SQL Server 2025下载安装教程(附安装包)零基础入门
【16】弹窗里点“确定”,没出现这一步就忽略
SQL Server 2025下载安装教程(附安装包)零基础入门
【17】点“关闭”
SQL Server 2025下载安装教程(附安装包)零基础入门
【18】点右上角的“X“把窗口关掉
SQL Server 2025下载安装教程(附安装包)零基础入门
【19】回到刚才解压出来的“SQL Server 2025 Standard“文件夹,选中”vs_SSMS.exe“,右键点”以管理员身份运行”
SQL Server 2025下载安装教程(附安装包)零基础入门
【20】点“继续”
SQL Server 2025下载安装教程(附安装包)零基础入门
【21】按需要勾选,点"安装"
SQL Server 2025下载安装教程(附安装包)零基础入门
【22】正在装,等它跑完
SQL Server 2025下载安装教程(附安装包)零基础入门
【23】装好之后点右上角的“X“关闭
SQL Server 2025下载安装教程(附安装包)零基础入门
【24】点“开始菜单”,点“所有应用”,找到”Microsoft SQL Server Management Studio 22”这个软件,按住左键拖到桌面,快捷方式就建好了
SQL Server 2025下载安装教程(附安装包)零基础入门
【25】双击图标启动软件
SQL Server 2025下载安装教程(附安装包)零基础入门
【26】点“跳过并稍后添加账户”
SQL Server 2025下载安装教程(附安装包)零基础入门

【27】点“浏览“,选中本地服务器,勾上”信任服务器证书“,点”连接”

【28】到这一步,SQL Server 2025 就装好了,可以直接建库试手。

SQL Server 登录名与数据库用户授权

实例连上之后,很多人会以为建个登录名就万事大吉,其实登录名只是进门的凭证。SQL Server 2025 里登录名属于服务器层面的对象,能登进来,但未必碰得到某个具体数据库。要在库里读表、写表,还得给这个登录名配一个数据库用户,两者靠 SID 关联起来,缺了这层映射,用 SQL Server 登录名连进去照样报无权访问。

比较省事的做法是直接把登录名映射到库里的用户,再挂到固定角色上。只想让它读,就进 db_datareader;需要写,再叠加 db_datawriter;要建表删表这类结构改动,才轮到 db_ddladmin。建议别一上手就给 sysadmin,权限越大,误操作能伤到的范围也越大。

SQL Server 2025 还支持包含数据库,这种库里登录名和用户合成一个对象,数据库搬走也不用重新配对服务器登录名,做迁移时省事不少。日常按最小权限分配,后面排查问题时能少绕很多弯路。

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-11-07 01:16:34 HTTP/1.1 GET : http://yeyulingfeng.com/a/499253.html
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  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=0a091bf5af47e2c8e96501d31c8c0f8d
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  128. /www/wwwroot/yeyulingfeng.com/vendor/topthink/think-helper/src/Collection.php ( 16.47 KB )
  129. /www/wwwroot/yeyulingfeng.com/vendor/topthink/framework/src/think/facade/View.php ( 1.70 KB )
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  133. /www/wwwroot/yeyulingfeng.com/vendor/topthink/framework/src/think/Cookie.php ( 6.06 KB )
  134. /www/wwwroot/yeyulingfeng.com/vendor/topthink/think-view/src/Think.php ( 8.38 KB )
  135. /www/wwwroot/yeyulingfeng.com/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
  136. /www/wwwroot/yeyulingfeng.com/vendor/topthink/think-template/src/Template.php ( 46.61 KB )
  137. /www/wwwroot/yeyulingfeng.com/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
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  139. /www/wwwroot/yeyulingfeng.com/runtime/temp/44b959ca79ad33496f044db2c231b11d.php ( 8.29 KB )
  140. /www/wwwroot/yeyulingfeng.com/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000515s ] mysql:host=172.18.0.4;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000756s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000405s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000332s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000545s ]
  6. SELECT * FROM `set` [ RunTime:0.000303s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000617s ]
  8. SELECT * FROM `article` WHERE `id` = 499253 LIMIT 1 [ RunTime:0.000402s ]
  9. UPDATE `article` SET `lasttime` = 1793985394 WHERE `id` = 499253 [ RunTime:0.001380s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000326s ]
  11. SELECT * FROM `article` WHERE `id` < 499253 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000428s ]
  12. SELECT * FROM `article` WHERE `id` > 499253 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000377s ]
  13. SELECT * FROM `article` WHERE `id` < 499253 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000587s ]
  14. SELECT * FROM `article` WHERE `id` < 499253 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000714s ]
  15. SELECT * FROM `article` WHERE `id` < 499253 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000518s ]
0.086326s