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Creating a copy of a database in PostgreSQL.

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cheat/postgresql.md
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@ -54,3 +54,9 @@
If you're using CLI and you're a postgres user, then you can do this:
`psql -c "SELECT version();"`
### Creating a copy of a database in PostgreSQL.
```
pg_dumpall > db.out # backup
psql -f db.out postgres # restore (might requires some DROP DATABASE xxx if you do want to replace existing data with same db and table names.
```