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2025-01-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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1. View the collection
Show collections
two。 Inserts a piece of document data into the specified collection
Db.runoob.insertOne ({'test':3})
3. Inserts multiple pieces of document data into the specified collection
Db.runoob.insertMany (['axiavell1, thecontrolling bouncy)])
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Continue with the installation of the previous hadoop.First, install zookooper1. Decompress zookoope
"Every 5-10 years, there's a rare product, a really special, very unusual product that's the most un
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