postgresql学习-Part 1
1. 错误, 允许本地连接：
-bash-4.1$ psql mydb
psql: FATAL: no pg_hba.conf entry for host "[local]", user "postgres", database "mydb", SSL off
在配置文件：pg_hba.conf增加如下内容
# IPv4 local connections:
#允许本地连接
local all all trust
#允许远程连接
host all all 0.0.0.0/0 md5
2. 推出psql命令行
\q
mydb-# \q
-bash-4.1$
3. 类似于oracle sqlplus
mydb=# select version();
version
-------------------------------------------------------------------------------------------------------------------
PostgreSQL 8.4.20 on x86_64-redhat-linux-gnu, compiled by GCC gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-17), 64-bit
(1 row)
mydb=# select current_date;
date
------------
2017-05-18
(1 row)
-bash-4.1$ psql mydb
psql: FATAL: no pg_hba.conf entry for host "[local]", user "postgres", database "mydb", SSL off
在配置文件：pg_hba.conf增加如下内容
# IPv4 local connections:
#允许本地连接
local all all trust
#允许远程连接
host all all 0.0.0.0/0 md5
2. 推出psql命令行
\q
mydb-# \q
-bash-4.1$
3. 类似于oracle sqlplus
mydb=# select version();
version
-------------------------------------------------------------------------------------------------------------------
PostgreSQL 8.4.20 on x86_64-redhat-linux-gnu, compiled by GCC gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-17), 64-bit
(1 row)
mydb=# select current_date;
date
------------
2017-05-18
(1 row)
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