rhel6.1下psql常用操作

本文将指导您如何使用SQL进行数据库操作,包括登录、查看用户、删除数据库、查看表结构等基本步骤。

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1. 登录:
$ su - postgres
$ psql

2. 查看用户:
# \du
或者
# SELECT rolname FROM pg_roles;

删除
输出数据库:

postgres-# drop database openerp;
postgres-# \l


查看表的结构:

test5=# \d it_warehourse_test
[root@iZbp1avc1olq9krqsni6tuZ postgres]# sudo yum install -y postgis35_15 Last metadata expiration check: 2:13:26 ago on Mon 23 Jun 2025 11:07:10 AM CST. Error: Problem: cannot install the best candidate for the job - nothing provides geos313 >= 3.13.0 needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides gdal310-libs >= 3.10.0 needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides proj95 >= 9.5.1 needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides libjson-c.so.5()(64bit) needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides libgeos_c.so.1()(64bit) needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides libproj.so.25()(64bit) needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides libstdc++.so.6(GLIBCXX_3.4.29)(64bit) needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides libjson-c.so.5(JSONC_0.14)(64bit) needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides hdf5 needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides libSFCGAL.so.2()(64bit) needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides xerces-c needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides libgeotiff17 needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 - nothing provides libgdal.so.36()(64bit) needed by postgis35_15-3.5.2-1PGDG.rhel9.x86_64 from pgdg15 (try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)
06-24
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