JSONiq - The SQL of NoSQLWilliam Candillon {wcandillon@28.io}

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Two Drivers

Scalability

Flexible Data

NoSQL Checklist 28

Document Stores

High Availability ✔

NoSQL Checklist 28

Document Stores

High Availability ✔Sharding ✔

NoSQL Checklist 28

Document Stores

High Availability ✔Sharding ✔Available as a Service ✔

NoSQL Checklist 28

Document Stores

High Availability ✔Sharding ✔Available as a Service ✔Standardized Query Language

NoSQL Checklist 28

Standardization (1) 28

Standardization (2) 28

Document Stores

High Availability ✔Sharding ✔Available as a Service ✔Standardized Query Language X

NoSQL Checklist 28

Document Stores

High Availability ✔Sharding ✔Available as a Service ✔Standardized Query Language X

Modern Query Processing

NoSQL Checklist 28

Modern Query Processing (2) 28

Modern Query Processing (1) 28

Document Stores

High Availability ✔Sharding ✔Available as a Service ✔Standardized Query Language X

Modern Query Processing X

NoSQL Checklist 28

Document Stores

High Availability ✔Sharding ✔Available as a Service ✔Standardized Query Language X

Modern Query Processing X

Rich Data Model

NoSQL Checklist 28

Rich Data Model (1) 28

Rich Data Model (2) 28

Document Stores

High Availability ✔Sharding ✔Available as a Service ✔Standardized Query Language X

Modern Query Processing X

Rich Data Model X

NoSQL Checklist 28

Document Stores

High Availability ✔Sharding ✔Available as a Service ✔Standardized Query Language X

Modern Query Processing X

Rich Data Model X

ScalabilityFlexible D

ataNoSQL Checklist 28

The SQL of NoSQL

JSONiq (1) 28

Extension of XQuery, a mature W3C standard, with native JSON support

Contributors: 28msec, Oracle, EMC

Declarative JSON Query LanguageFully Composable

JSONiq (2) 28

Updates, Indexes, Search, Transform & Filter, Join, Group, and more

Open Source Implementation: Zorba

Drivers: MongoDB, CouchDB, AmazonDB, SQLite, Oracle NoSQL

{ "question_id" : 42, "title" : "NoSQL: Help me to choose", "tags" : [ "mongodb", "couchdb" ], "answered" : true, }

let $question :={ "question_id" : 42, "title" : "NoSQL: Help me to choose", "tags" : [ "mongodb", "couchdb" ], "answered" : true, }return $question("title")

for $answers in mongo:find("answers")group by $id := $answers("question_id")order by count($answers) descendinglet $faq := mongo:find("faq")return <h1>{ $faq[.("id") eq $id]("title") }</h1>

<h1>NoSQL: Help me to Choose</h1><h1>What NoSQL solutions for .NET?</h1><h1>The Next-gen Databases</h1>...

for $question in mongo:find("faq")let $user := $question("owner")group by $user := $user("user_id")return { "user" : $user[last()]("display_name"), "count" : count($question)}

{ "user": "jbellis", "count": 6 }{ "user": "user1557698", "count": 5 }{ "user": "nawroth", "count": 5 }...

max( for tumbling window $answers in mongo:find("answers") start $start when true only end $end next $next when $next("date") - $end("date") gt xs:dayTimeDuration("P1D") return $end("date") - $start("date"))

{ "user": "jbellis", "streak": 2 }{ "user": "user1557698", "streak": 1 }{ "user": "nawroth", "streak": 1 }...

"Luke, I am your father"contains text "dad"

false

"Luke, I am your father"contains text "dad"using thesaurus default

true

let $s := "These are not the droids you are looking for"let $tokens := ft:tokenize-string($s)for $token in $tokenswhere not(ft:is-stop-word($token))return ft:stem($token)

droid look...

MongoDB Driver

Runtime CollectionsXDM Indexes

MongoS CollectionsBSON Indexes

Zorba

MongoDB

28

28.io

• Seamless JSONiq Integration into MongoDB

• Automatic Scale out of the Query Processing

Runtime CollectionsXDM Indexes

MongoS CollectionsBSON Indexes

Zorba

MongoDB

28

28.io 28

Put the Pressure back to the Query Language

Take Away

• JSONiq.org - The SQL of NoSQL

• Open Source Implementation: Zorba

• Next Stop: Automatic Index Detection Query Parallelization

• Hosting: 28.io

• Demo: http://28.io/mongodb

28

Thank You!Questions?

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