PostgreSQL 操作三例

1.数据库备份

pg_dump -h localhost -U postgres apm2db > "C:apm2dbpt1.sql"

2. 删除数据库：

dropdb.exe -h localhost -U postgres apm2db

3. 创建数据库

createdb.exe -h localhost -U postgres apm2db

4.恢复数据库

psql.exe -h localhost -U postgres apm2db < "c:apm2db.sql"

在命令行下，如果没有存贮密码，则会提示用户输入密码，但在比如安装包中没办法收到提示输入密码，这时就要密码保存下来：

If you select "Store password",pgAdmin stores passwords you enter in the ~/.pgpass file under *nix or %APPDATA%postgresqlpgpass.conf under Win32 for later reuse. For details,see pgpass documentation. It will be used for all libpq based tools. If you want the password removed,you can select the server's properties and uncheck the selection any time.

（编辑：李大同）

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