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24 lines
711 B
Markdown
24 lines
711 B
Markdown
# psql
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> PostgreSQL command-line client.
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- Connect to database. It connects to localhost using default port 5432 with default user as currently logged in user:
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`psql {{database}}`
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- Connect to database on given server host running on given port with given username, without a password prompt:
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`psql -h {{host}} -p {{port}} -U {{username}} {{database}}`
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- Connect to database; user will be prompted for password:
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`psql -h {{host}} -p {{port}} -U {{username}} -W {{database}}`
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- Execute a single SQL query or PostgreSQL command on the given database (useful in shell scripts):
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`psql -c '{{query}}' {{database}}`
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- Execute commands from a file on the given database:
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`psql {{database}} -f {{file.sql}}`
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