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

1. View the collection

Show collections

two。 Add data to the collection

Db.runoob.insertMany ([

{

'title':'data1'

'url':' https://blog.51cto.com/suyanzhu',

'description':'this is data1'

'view':5000

}

{

'title':'data2'

'url':' https://blog.51cto.com/suyanzhu',

'description':'this is data2'

'view':3650

}

{

'title':'data3'

'url':' https://blog.51cto.com/suyanzhu',

'description':'this is data3'

'view':9527

}

])

3. View all data

Db.runoob.find () .pretty ()

4. Query the data containing the specified string

/ / data containing A1 string in title

Db.runoob.find ({'title':/a1/}) .pretty ()

5. Query data that begins with a specified string

/ / title data that starts with d

Db.runoob.find ({'title':/ ^ d /}) .pretty ()

6. Query data that ends with a specified string

/ / title data ending in A3

Db.runoob.find ({'title':/a3 $/}) .pretty ()

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