71 lines
1.4 KiB
Markdown
71 lines
1.4 KiB
Markdown
### Disable paging in postgresql
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`\pset pager off`
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### Connect to a database
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`\c database_name`
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### Show tables and sequences in current schema
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`\d`
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### Describe a table
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`\d table_name`
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### Show only tables with their size (`+`) in current schema
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`\dt+`
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### Show databases with their privileges and size (`+`)
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`\l+`
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### Show available schemas
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`\dn`
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### Gets the size of a schema
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```
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SELECT pg_size_pretty(SUM(pg_total_relation_size(quote_ident(schemaname) || '.' || quote_ident(tablename)))::BIGINT) FROM pg_tables WHERE schemaname = 'schema_name'
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```
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### Return back to shell
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`\q`
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### List users and their access privileges on databases
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`\du`
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### List default access privileges
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`\ddp`
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### List tables, views and sequences with their associated access privileges
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`\dp`
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### List of roles
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`SELECT rolname FROM pg_roles;`
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### Detail of a role
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`SELECT * FROM pg_roles WHERE rolname = '...'`
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### Which version of PostgreSQL am I running? [src](https://stackoverflow.com/questions/13733719/which-version-of-postgresql-am-i-running)
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If you're using CLI and you're a postgres user, then you can do this:
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`psql -c "SELECT version();"`
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### Creating a copy of a database in PostgreSQL.
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```
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# backup
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pg_dumpall > db.out
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# restore
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# (might requires some DROP DATABASE xxx if you do want to replace existing data with same db and table names.
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psql -f db.out postgres
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```
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