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postgreSQ保姆级安装教程及使用方法PostgreSQL 是一个开源的对象关系型数据库管理系统,以其强大的功能、稳定性和扩展性著称。它支持标准 SQL 以及各种高级特性,如事务处理、外键、触发器、视图和多版本并发控制(MVCC)。PostgreSQL 的设计目标是提供高性能和可靠性,使其成为处理大规模数据和复杂查询的理想选择。下载地址:https://www.enterprisedb.com/downloads/postgres-postgresql-downloads这边推荐下载PostgreSQL 17.9(或16.13),兼顾新特性与稳定性,适合学习、开发、个人项目、中小微业务系统。这里它默认勾选了四个安装插件,默认全选,直接点Next:此处的路径是PostgreSQL的数据库存放位置,会在默认路径的基础上新建一个date文件夹用于存放数据库,接着点击Next:接下来对数据库进行用户密码设置,密码务必记住,后续更改很麻烦,然后继续点击Next:这里的Port是指PostgreSQL的默认端口号:5432,直接点击下一步Next:此处设置语言,不建议修改为Chinese,可能会报错!默认就好最后这个预览文件路径及数据库信息,直接点击下一步Next:在系统变量中找到Path变量,选中Path变量点击编辑:然后点击新建,把复制好的bin路径复制进去,最后点击确定。首先复制PostgreSQL文件的安装路径,即在安装step3的第二步时选择的路径,我的是E:\PostgreSQL:自此,PostgreSQL的环境变量已经成功配置完成!在键盘上点击win+r,打开运行窗口,输入:services.msc然后输入:psql --version,如下显示即配置成功:
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- 请求信息 : 2026-07-04 22:57:23 HTTP/1.1 GET : https://www.yeyulingfeng.com/a/545963.html
- 运行时间 : 0.313691s [ 吞吐率:3.19req/s ] 内存消耗:4,826.95kb 文件加载:145
- 缓存信息 : 0 reads,0 writes
- 会话信息 : SESSION_ID=2643011ebe9f4c9b4fbcc6a7200e57da
- CONNECT:[ UseTime:0.001139s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
- SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001866s ]
- SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000774s ]
- SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000692s ]
- SHOW FULL COLUMNS FROM `set` [ RunTime:0.001389s ]
- SELECT * FROM `set` [ RunTime:0.000614s ]
- SHOW FULL COLUMNS FROM `article` [ RunTime:0.001463s ]
- SELECT * FROM `article` WHERE `id` = 545963 LIMIT 1 [ RunTime:0.001352s ]
- UPDATE `article` SET `lasttime` = 1783177043 WHERE `id` = 545963 [ RunTime:0.037979s ]
- SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.002428s ]
- SELECT * FROM `article` WHERE `id` < 545963 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001509s ]
- SELECT * FROM `article` WHERE `id` > 545963 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001730s ]
- SELECT * FROM `article` WHERE `id` < 545963 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002894s ]
- SELECT * FROM `article` WHERE `id` < 545963 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005047s ]
- SELECT * FROM `article` WHERE `id` < 545963 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.070301s ]
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