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http://www.mongodb.org/

MongoDB

SchemaDesign

MongoNYC(#mongonyc)May21,2010

KyleBanker(@hwaet)10gen

Tuesday, May 25, 2010

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SchemaDesignQuestions

1.

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What’sthebasicunit

ofdata?

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What’sthebasicunit

ofdata?

Blobs?

Tuesday, May 25, 2010

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What’sthebasicunit

ofdata?

Rows?Blobs?

Tuesday, May 25, 2010

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What’sthebasicunit

ofdata?

Rows?Blobs?

Columns?

Tuesday, May 25, 2010

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What’sthebasicunit

ofdata?

Rows?Blobs?

Documents?Columns?

Tuesday, May 25, 2010

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Whichoperationsare

permitted?

Tuesday, May 25, 2010

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Whichoperationsare

permitted?

DynamicQueries

Tuesday, May 25, 2010

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Whichoperationsare

permitted?

DynamicQueriesSecondaryIndexes

Tuesday, May 25, 2010

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Whichoperationsare

permitted?

DynamicQueriesSecondaryIndexes

AtomicUpdates

Tuesday, May 25, 2010

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Whichoperationsare

permitted?

DynamicQueriesSecondaryIndexes

AtomicUpdatesMap-Reduce

Tuesday, May 25, 2010

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Whatareour

applicationaccess

patterns?

Tuesday, May 25, 2010

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Whatareour

applicationaccess

patterns?Read/WriteRatio

Tuesday, May 25, 2010

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Whatareour

applicationaccess

patterns?Read/WriteRatio

Typesofupdates

Tuesday, May 25, 2010

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Whatareour

applicationaccess

patterns?Read/WriteRatio

TypesofupdatesRangeofQueries

Tuesday, May 25, 2010

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2.RichDocuments

Tuesday, May 25, 2010

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8/4/2019 MongoDB Schema Design (Kyle Banker 10Gen)

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8/4/2019 MongoDB Schema Design (Kyle Banker 10Gen)

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Butwhatcanyoudowitharichdocument?

Tuesday, May 25, 2010

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Queries

Tuesday, May 25, 2010

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Queries

Tuesday, May 25, 2010

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Queries

Tuesday, May 25, 2010

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AtomicUpdates

Tuesday, May 25, 2010

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AtomicUpdates

Tuesday, May 25, 2010

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Map-Reduce

Tuesday, May 25, 2010

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Morerich-documentgoodness...

Tuesday, May 25, 2010

d k

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wordnik.com

Tuesday, May 25, 2010

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Advantages

“Pre-joined”forfastretrieval.

Tuesday, May 25, 2010

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Advantages

Holisticrepresentation.

“Pre-joined”forfastretrieval.

Tuesday, May 25, 2010

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Advantages

Holisticrepresentation.

“Pre-joined”forfastretrieval.

MongoDBcanactonthese.

Tuesday, May 25, 2010

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Tradeoffs

TheNormalization/DenormalizationQuestion

Tuesday, May 25, 2010

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Tradeoffs

Knowyourqueries/updatesinadvance

TheNormalization/DenormalizationQuestion

Tuesday, May 25, 2010

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SimplifiedRelations2.

Tuesday, May 25, 2010

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Tags

Tuesday, May 25, 2010

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Tags

Tuesday, May 25, 2010

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Tags

Tuesday, May 25, 2010

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Votes

Tuesday, May 25, 2010

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Addingavote

Tuesday, May 25, 2010

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Addingavote

Findingallvotesforagivenuser

Tuesday, May 25, 2010

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Standard

Relationships

4.

Tuesday, May 25, 2010

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post comments

post_iduser_id

tree attrs

post->manycomments

Relationalmodel:

Tuesday, May 25, 2010

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1.EmbeddedDocument

Tuesday, May 25, 2010

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1.EmbeddedDocument

Tuesday, May 25, 2010

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2.EmbeddedandNestedDocument

Tuesday, May 25, 2010

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3.NormalizedCollection

Tuesday, May 25, 2010

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UseCases

1.EmbeddeddocumentFastqueriesDocumentalwaysappearsw/parent.

Tuesday, May 25, 2010

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UseCases

1.EmbeddeddocumentFastqueriesDocumentalwaysappearsw/parent.

2.Embedded&nesteddocumentComplexhierarchiesDocumentappearswithparent

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UseCases

1.EmbeddeddocumentFastqueriesDocumentalwaysappearsw/parent.

2.Embedded&nesteddocumentComplexhierarchiesDocumentappearswithparent

3.NormalizedMaximumflexibility.

Simplifiedglobalupdates.

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Tuesday, May 25, 2010

d i

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products

categories

join

product_id

category_id

products<->categories

Relationalmodel:

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ProductsandCategories

Tuesday, May 25, 2010

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ProductsandCategories

Tuesday, May 25, 2010

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ProductsandCategories(Alternative)

Tuesday, May 25, 2010

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ProductsandCategories(Alternative)

Tuesday, May 25, 2010

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ProductsandCategories(Alternative)

Tuesday, May 25, 2010

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Resources5.

Tuesday, May 25, 2010

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Trees

http://www.mongodb.org/display/DOCS/Trees+in+MongoDB

Tuesday, May 25, 2010

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Trees

http://www.mongodb.org/display/DOCS/Trees+in+MongoDB

Stacks,Queues,Listshttp://www.mongodb.org/display/DOCS/findandmodify+Command

Tuesday, May 25, 2010

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Trees

http://www.mongodb.org/display/DOCS/Trees+in+MongoDB

Stacks,Queues,Listshttp://www.mongodb.org/display/DOCS/findandmodify+Command

Contributehttp://cookbook.mongodb.org

Tuesday, May 25, 2010

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Trees

http://www.mongodb.org/display/DOCS/Trees+in+MongoDB

Stacks,Queues,Listshttp://www.mongodb.org/display/DOCS/findandmodify+Command

Contributehttp://cookbook.mongodb.org

Consultinginfo@10gen.com

Tuesday, May 25, 2010

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ShamelessPlugs6.

Tuesday, May 25, 2010

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MongoDBTraining|July7-8

http://ideafoundry.info/mongodbTuesday, May 25, 2010

My next talk today.....

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http://www.mongodb.org/

MongoDBin

Ruby’sEmbrace

MongoNYC(#mongonyc)May21,2010

KyleBanker(@hwaet)10gen

Tuesday, May 25, 2010

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ThankYou