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 data

Db.runoob.find () .pretty ()

4. Search for "equal" data

Db.runoob.find ({'title':'data1'}) .pretty ()

5. Search for "less than" data

Db.runoob.find ({'view': {$lt:6000}}) .pretty ()

6. Look for "less than or equal to" data

Db.runoob.find ({'view': {$lte:5000}}) .pretty ()

7. Search for data that is "greater than"

Db.runoob.find ({'view': {$gt:5000}}) .pretty ()

8. Look for "greater than or equal to" data

Db.runoob.find ({'view': {$gte:5000}}) .pretty ()

9. Search for data that is not equal to

Db.runoob.find ({'view': {$ne:5000}}) .pretty ()

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