配套视频:https://www.bilibili.com/video/BV1ZW4y127cz
《PostgreSQL开发指南》PDF版本以及示例表和初始化数据。
Scripts目录中的脚本执行顺序:
- 运行01_create_table.sql创建示例表;
- 运行02_insert_data.sql生成数据;
- 运行03_create_index.sql创建索引;
- 运行99_delete_table.sql删除示例表。
《PostgreSQL开发指南》PostgreSQL 安装与配置,用户与角色管理,数据库的维护、备份与恢复操作。SQL 语句,常见函数,高级查询,数据库事务、索引、视图、存储过程/函数、触发器,Java、PHP、Python 编程接口。
配套视频:https://www.bilibili.com/video/BV1ZW4y127cz
《PostgreSQL开发指南》PDF版本以及示例表和初始化数据。
Scripts目录中的脚本执行顺序:
修改后的SQL语句:ALTER TABLE departments ADD CONSTRAINT dept_mgr_fk FOREIGN KEY ( manager_id ) REFERENCES employees ( employee_id );
environment:PostgreSQL 14.3 (Debian 14.3-1.pgdg110+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 10.2.1-6) 10.2.1 20210110, 64-bit
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