PostgreSQL数据库的单表备份与恢复；pg_dump；psql

基本信息

数据库用户名：postgres

数据库：tenant_101

表名称：pl_dictionary_bak20200729

表备份输出的文件：/home/pgbackupfiles/pl_dictionary_bak20200729.sql

备份：

pg_dump -U postgres tenant_101 -t pl_dictionary_bak20200729 -f /home/pgbackupfiles/pl_dictionary_bak20200729.sql

./pg_dump -h 12.16.2.41 -p 5432 -U postgres --dbname=“tenant_101” -t pl_dictionary_bak20200729 -f “/home/pgbackupfiles/pl_dictionary_bak20200729.sql”

恢复：

psql -U postgres -d tenant_101 < /home/software/apdb/pl_dictionary_bak20200729.sql

psql -U postgres -d tenant_101 -h 12.16.2.41 -p 5432