Here, “postgres” shows that you are connected to the default database. Step 2: Show Databases Using \l Command Once you are connected to the default database, execute the below-given statement to show the list of available databases: \l The output authenticates the working of the “\l...
https://www.alibabacloud.com/help/zh/doc-detail/52951.htmPostgreSQL UPSERT的功能与用法 https://blog.csdn.net/u011402596/article/details/38510547postgresql的show databases、show tables、describe table操作 https://yanbin.blog/postgresql-unnest-batch-crud-merge/PostgreSQL 批量插入, 更新和合并操作 https:...
恢复:需要先把备份的压缩文件替换当前的数据文件,然后修改postgresql.conf,因为这个配置文件在data文件夹中,所以只能是在把base.tar解压到数据库当前数据位置,也就是我们默认初始化指定的数据保存位置data文件夹中,才能修改配置,在配置好归档设置以后,可以启动pgsql服务,进行启动恢复。 在恢复过程中,会拷贝归档文件,进行...
This will log you into the PostgreSQL prompt, and from here you are free to interact with the database management system right away. Exit out of the PostgreSQL prompt by typing: \q This will bring you back to thepostgresLinux command prompt. ...
conf restore_command = 'cp /usr/local/pgsql/data/pg_archive/%f %p' # 指定要恢复的时间点,也可以不指定,直接恢复所有数据 recovery_target_time = '2022-09-01 10:00:00' pg_ctl start 开启ssl 代码语言:javascript 代码运行次数:0 运行 AI代码解释 su - postgres #进入到数据目录 cd $PGDATA #...
postgres-# \help <command_name>例如,我们查看下 select 语句的语法:postgres=# \help SELECT Command: SELECT Description: retrieve rows from a table or view Syntax: [ WITH [ RECURSIVE ] with_query [, ...] ] SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ] [ * | ...
# DROP DATABASE mydb; DROP DATABASE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 9. Getting help on postgreSQL commands \? will show PSQL command prompt help. \h CREATE will shows help about all the commands that starts with CREATE, when you want something specific such as help...
createdb 创建一个新的PostgreSQL的数据库和SQL语句CREATE DATABASE 相同 createuser 创建一个新的PostgreSQL的用户和SQL语句CREATE USER 相同 dropdb 删除数据库 dropuser 删除用户 pg_dump 将PostgreSQL数据库导出到一个脚本文件 pg_dumpall 将所有的PostgreSQL数据库导出到一个脚本文件 ...
In PostgreSQL, you can use the“createdb”command to create/make a new database. You can run the "createdb" command directly from the Command Prompt, unlike the“CREATE DATABASE”command. The“createdb”command can add some comments/descriptions to the database altogether. ...
Apr 07 05:06:33 localhost.localdomain systemd[1]: Started PostgreSQL 14 database server. Hint: Some lines were ellipsized, use -l to show in full. 如果没有出现上面的结果,则尝试执行下面的命令。 systemctl postgresql initdb chkconfig postgresql on ...