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27 lines
869 B
Plaintext
27 lines
869 B
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# mongo
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> The legacy MongoDB shell. See `mongosh` for the new shell.
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> Note: All connection options can be replaced with one string: `mongodb://user@host:port/db_name?authSource=authdb_name`.
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> More information: <https://www.mongodb.com/docs/mongodb-shell/>.
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- Connect to a local database on the default port (`mongodb://localhost:27017`):
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`mongo`
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- Connect to a database:
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`mongo --host {{host}} --port {{port}} {{db_name}}`
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- Authenticate using the specified username on the specified database (you will be prompted for a password):
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`mongo --host {{host}} --port {{port}} --username {{username}} --authenticationDatabase {{authdb_name}} {{db_name}}`
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- Evaluate a JavaScript expression on a database:
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`mongo --eval '{{JSON.stringify(db.foo.findOne())}}' {{db_name}}`
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