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40.mongo command line operation database

2025-01-28 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >

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Shulou(Shulou.com)06/01 Report--

1. Log in to database

Mongo ip:port

two。 Show database

Show dbs

3. Get into the database.

Use xxxdb

4. Query table

Show collections

5. Query data

Db.xxxcol.find ()

Db.xxxcol.find ({"age": 20})

6. Fuzzy query age like "* 20 *"

Db.xxxcol.find ({"age": / 20 /})

7. Delete

Db.xxxcol.remove ({"age": / 20 /})

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