1）压缩备份pg_dump testdb| gzip > filename.gz2）恢复gunzip -c filename.gz | psql dbname 3）分割备份pg_dump dbname | split -b 1m4）恢复cat filename* | psql dbname4. copy导入导出语法COPY命令概述copy 命令用于表与文件(和标准输出，标准输入)之间的相互拷贝；copy to 由表至文件，copy from ...
需要先su到有操作postgresql权限的用户,否则则需加上指定-h IP -U username 将对名为dm的database 以自定义的的方式并且忽略掉原数据库的owner进行dump。 pg_dump默认dump文件到当前user的的home目录下 pg_dump内部使用的copy命令,速度还比较快,几个G的数据20多分钟就能dump完 然后将dm.dump文件用FileZilla Clien...
Method 1: Using pg_dump and pg_restore The pg_dump utility creates a backup of the database in a format that pg_restore can then use to recreate the database on another server. 1. Dump the Database on the Source Server # Run pg_dump to create a database backup file pg_dump -U ...
sql #可以以解析为文本内容,类似于 pg_dump 备份 $ pg_restore -l testdb.dmp #查看二进制文件中的内容 $ pg_restore -l testdb.dmp > toc.data #查看控制信息 $ pg_restore -d testdb testdb.dmp #把 dump 文件中的数据导入到 testdb 数据库中 $ pg_restore -d postgres testdb.dmp #把 dump...
类似于pg_dump备份 $ pg_restore -l testdb.dmp #查看二进制文件中的内容 $ pg_restore -l testdb.dmp > toc.data #查看控制信息 $ pg_restore -d testdb testdb.dmp #把dump文件中的数据导入到testdb数据库中 $ pg_restore -d postgres testdb.dmp #把dump文件中的数据导入到postgres数据库中利用...
PostgreSQL: Using pg_dump for Backup and Restore pg_dump is a PostgreSQL utility used to back up a database into a script or an archive file. It is widely used for creating consistent backups, which can be restored later to the same or another database. ...
Alternatively, you can restore a database backup into another database and at the same time create the privileges for another user without any prerequisites with regard to how pg_dump has been run by using the options --dbname <new_database> --no-owner --role <new_user> Do not use ...
$ pg_restore -l testdb.dmp > toc.data #查看控制信息 $ pg_restore -d testdb testdb.dmp #把dump文件中的数据导入到testdb数据库中 $ pg_restore -d postgres testdb.dmp #把dump文件中的数据导入到postgres数据库中 利用toc文件选择性备份恢复: ...
pg_restore 从一个由pg_dump或pg_dumpall程序导出的脚本文件中恢复PostgreSQL数据库 psql 一个基于命令行的PostgreSQL交互式客户端程序 vacuumdb 清理和分析一个PostgreSQL数据库它是客户端程序psql环境下SQL语句VACUUM的shell脚本封装二者功能完全相同 2. 系统实用程序 ...
A common solution for this is to partition by month (or whatever granularity is desired). Then, the procedure becomes: detach the old partition, dump it for the archives, and drop the table. Now, there is nothing to vacuum at all. ...