MongoDB
C100DBA · Question #120
Addding the index {a:l} can potentially decrease the speed of which of the following operations? Check all that apply.
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Performance Tuning
Question
Addding the index {a:l} can potentially decrease the speed of which of the following operations? Check all that apply.
Options
- Adb.collection.update({b:456>, {$inc: {a:l> })
- Bdb.collection.find( {a : 232} )
- Cdb.collection.insert( { a:341})
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Topics
#index overhead#write performance#insert cost#update cost