![??? ?
{
"name":"mino",
"age":26,
"status":"A",
"groups":[
"news",
"sports"
]
}
JSON
<name>mino</name>
<age>26</age>
<status>A</status>
<groups>news</groups>
<groups>sports</groups>
XML](https://image.slidesharecdn.com/introductiontomongodb-191003123712/85/Introduction-to-mongo-db-21-320.jpg)
![Schema-less
Schema-less : ??? ??? ??? ???? ?? ??? ???? ??? ?
● ? ?? ???(?exibility)
{
"author":"mino",
"text":"..."
}
{
"author":"kimmino",
"text":"...",
"tags":[ "mongodb" ]
}](https://image.slidesharecdn.com/introductiontomongodb-191003123712/85/Introduction-to-mongo-db-25-320.jpg)
![?? ?? (Document Model)
"user_id": 251,
"first_name": "Bill",
"last_name": "Gates",
"summary": "Co-chair of the Bill & Melinda Gates... Active blogger.",
"region_id": "us:91",
"industry_id": 131,
"photo_url": "/p/7/000/253/05b/308dd6e.jpg",
"positions": [
{
"job_title": "Co-chair",
"organization": "Bill & Melinda Gates Foundation"
},
{
"job_title": "Co-founder, Chairman",
"organization": "Microsoft"
}
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"education": [
{
"school_name": "Harvard University",
"start": 1973,
"end": 1975
},
{
"school_name": "Lakeside School, Seattle",
"start": null,
"end": null
}
],
"contact_info": {
"blog": "http://thegatesnotes.com",
"twitter": "http://twitter.com/BillGates"
}
}](https://image.slidesharecdn.com/introductiontomongodb-191003123712/85/Introduction-to-mongo-db-55-320.jpg)
![?? ?? (Document Model)
"user_id": 251,
"first_name": "Bill",
"last_name": "Gates",
"summary": "Co-chair of the Bill & Melinda Gates... Active blogger.",
"region_id": "us:91",
"industry_id": 131,
"photo_url": "/p/7/000/253/05b/308dd6e.jpg",
"positions": [
{
"job_title": "Co-chair",
"organization": "Bill & Melinda Gates Foundation"
},
{
"job_title": "Co-founder, Chairman",
"organization": "Microsoft"
}
],
"education": [
{
"school_name": "Harvard University",
"start": 1973,
"end": 1975
},
{
"school_name": "Lakeside School, Seattle",
"start": null,
"end": null
}
],
"contact_info": {
"blog": "http://thegatesnotes.com",
"twitter": "http://twitter.com/BillGates"
}
}
?? ?????? ??
● ????(Denormalization)
○ ??? ?? ??
○ ??? ?? ?? ?? ???
"user_id": 251,
"first_name": "Mark",
"last_name": "Zuckerberg",
"summary": "Co-founding and leading Facebook",
"region_id": "us:91",
"industry_id": 131,
"photo_url": "/p/7/000/253/05b/308dd6e.jpg",
"positions": [
{
"job_title": "The founder and CEO",
"organization": "Facebook"
}
],
"education": [
{
"school_name": "Harvard University",
"start": 2002,
"end": 2004
}
],
"contact_info": {
"facebook": "https://www.facebook.com/zuck"
}
}](https://image.slidesharecdn.com/introductiontomongodb-191003123712/85/Introduction-to-mongo-db-56-320.jpg)
![?? ?? (Document Model)
???(one-to-many) ??
● ??
○ ??? ??? ?? ???
??? ?? ??
{
customer_id: 76123,
name: 'Acme Data Modeling Services',
person_or_business: 'business',
address : [
{ street: '276 North Amber St',
city: 'Vancouver',
state: 'WA',
zip: 99076} ,
{ street: '89 Morton St',
city: 'Salem',
state: 'NH',
zip: 01097}
]
}](https://image.slidesharecdn.com/introductiontomongodb-191003123712/85/Introduction-to-mongo-db-60-320.jpg)
![?? ?? (Document Model)
???(many-to-many) ??
● ??
○ ??? ?? ??? ??? ? ??
??? ?? ??? ???
?? ???
{
{ courseID: 'C1667',
title: 'Introduction to Anthropology',
instructor: 'Dr. Margret Austin',
credits: 3,
enrolledStudents: ['S1837', 'S3737', 'S9825' ...
'S1847'] },
{ courseID: 'C2873',
title: 'Algorithms and Data Structures',
instructor: 'Dr. Susan Johnson',
credits: 3,
enrolledStudents: ['S1837','S3737', 'S4321', 'S9825'
... 'S1847'] },
...
?? ???
{
{studentID:'S1837',
name: 'Brian Nelson',
gradYear: 2018,
courses: ['C1667', C2873,'C3876']},
{studentID: 'S3737',
name: 'Yolanda Deltor',
gradYear: 2017,
courses: [ 'C1667','C2873']},
...
}](https://image.slidesharecdn.com/introductiontomongodb-191003123712/85/Introduction-to-mongo-db-61-320.jpg)
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Introduction to mongo db
- 1. Introduction to MongoDB 2019. 10 Naver ???
- 2. Background
- 3. Database paradigms Document SQL Databases NoSQL Databases Relational Analytical Key-Value Column Family 1 1 1 1 1 1 Graph
- 4. Database paradigms Document SQL Databases NoSQL Databases Relational Analytical Key-Value Column Family 1 1 1 1 1 1 Graph
- 6. ??? ?? : https://www.w3resource.com/mongodb/nosql.php
- 7. ??? ??????? ?? ???? ??? ??? ?? Scale up Scale out
- 8. ??? ??????? ?? Scale up (?? ??) ● ? ?? ????, ???, ??? ?? ● Scale up?? ??? ?? ● ? ?? ??? ????? ??? ?? ??? Scale out (?? ??) ● ??? ??? ?? ?? ????? ?? ● ??? ?? ?? ? Scale up Scale out
- 9. ??? RDB? Scale out? ??? ????? ??!
- 10. ??? RDB? Scale out? ??? ????? ??! But ??? ??????? ????? ????? ?? ?? ??
- 11. ??? RDB? Scale out? ??? ????? ??! But ??? ??????? ????? ????? ?? ?? ?? And ????? ???? ?? ??? ?? ?????? ???? ?? ??
- 12. ??? RDB? Scale out? ??? ????? ??! But ??? ??????? ????? ????? ?? ?? ?? And ????? ???? ?? ??? ?? ?????? ???? ?? ?? And ?? ??? ?? ???? ??? ??
- 13. NoSQL? ??
- 14. What is NoSQL? Not Only SQL Non-Relational Next-generation Databases Distributed Architecture Open Source
- 15. Database paradigms Document SQL Databases NoSQL Databases Relational Analytical Key-Value Column Family 1 1 1 1 1 1 Graph
- 16. Database paradigms Document SQL Databases NoSQL Databases Relational Analytical Key-Value Column Family 1 1 1 1 1 1 Graph
- 18. What is MongoDB? Hu(mongo)us DB ● Document Database ● Key Features ○ Horizontal Scalability ○ High Performance ○ High Availability ○ Rich Query Language
- 19. What is MongoDB? Hu(mongo)us DB ● Document Database ● Key Features ○ Horizontal Scalability ○ High Performance ○ High Availability ○ Rich Query Language
- 20. Document Database ??? (JSON, XML, BSON ?)? ???? ????? ??? ?????? ● ?? ○ ?-? ??? ?? ○ ?? ???, ?? ???? ??? ??(??, ???, ??)?? ??(??, ??)
- 22. Mongodb ?? ?? JSON-style ??? BSON?? ?? { hello":"world" } x16x00x00x00x02hellox00 x06x00x00x00worldx00x00
- 23. MongoDB RDBMS ??????(Database) ??????(Database) ???(Collection) ???(Table) ??(Document) ???(Record or Row) ??(Field) ??(Column) ???(Index) ???(Index) ???(Embedding) & ??(Reference) ??(Join) MongoDB vs RDBMS
- 24. Schema-less Schema : ??? ??? ??? ???? ?? ??? ??? ? ● RDBMS? ???? ?? ● ??? ? ○ ??? ○ ?? ○ ?? ? ○ ?? ? ○ ?? ??
- 25. Schema-less Schema-less : ??? ??? ??? ???? ?? ??? ???? ??? ? ● ? ?? ???(?exibility) { "author":"mino", "text":"..." } { "author":"kimmino", "text":"...", "tags":[ "mongodb" ] }
- 26. Schema-less Schema-less : ??? ??? ??? ???? ?? ??? ???? ??? ? ● ? ?? ??(responsibility) ○ ???? ?? ??? ?? ?? ???? ???????? ??? ??? ?? ?? ?? ?? ?????? ?? ?? ??? ???? ?? ?? ?? ??? ???? ??? ??? ???? MongoDB
- 27. What is MongoDB? Hu(mongo)us DB ● Document Database ● Key Features ○ Horizontal Scalability ○ High Performance ○ High Availability ○ Rich Query Language
- 28. ● ???? ?? ??? ???? ???? ???? ?? ● ??? ???? ?? ???? ?? ?? Sharding Shard A 256GB Shard B 256GB Shard C 256GB Shard D 256GB Collection 1 1 TB 1 TB1 TB 1 TB Collection 1
- 29. Sharded Cluster Components ● Con?g Server ○ ???? ????? ?? ● Router (mongos) ○ ????? ????? ● Shard Server ○ ???? ?? Sharding in MongoDB Shard 1 (replica set) Shard 2 (replica set) Con?g Servers (replica set) Router (mongos) Router (mongos)
- 30. ??? ? ???? ?? ???? ????? ?? ??? ???? ????? ? ? ??? ??? ?? ● ??? ?? ● ???? ????? ????? ?? ● ?? 64MB Chunk Shard 1 (replica set) Shard 2 (replica set) Con?g Server Router (mongos) chunk-1 shard-1 chunk-2 shard-2 chunk-3 shard-1 chunk-4 shard-1 Chunks chunk-1 chunk-3 chunk-4 Collection A chunk-2 Collection A
- 31. ?? ?? ?? ???? ??? ??? ??? ???? ?? ??? ???? ???? ???? ● ?? ? ?? ??? ?? ??? ??? ?? ● ?? ?? ??? ?? ??? ?? ?? ● ?? ? ??? ?? ???? ???? ???? ?? ???? ?? Ranged Sharding
- 32. ?? ? ?? ???? ???? ??? ???? ?? ?? ● ?? ??? MD5? ?? ● ?? ??? Ranged Sharding? ?? ● ?? ? ?? ?????? ???? ?? ?? Hashed Sharding
- 33. What is MongoDB? Hu(mongo)us DB ● Document Database ● Key Features ○ Horizontal Scalability ○ High Performance ○ High Availability ○ Rich Query Language
- 34. Index MongoDB? ?? ??? ?? ??? ??? ?? ● _id ?eld? ???? ???? ?? ● ?? Index ○ Single Field : ??? ??? ?? ??? ○ Compound Index : 1? ?? ??? ?? ??? ○ Multikey Index : ?? ??? ?? ??? ○ Geospatial Index : ?? ?? ???, 2d, 2dsphere ??? ?? ○ Text Index : ??? ??? ?? ??? ○ Hashed Index : ?? ?? ??? ???
- 35. Index
- 36. What is MongoDB? Hu(mongo)us DB ● Document Database ● Key Features ○ Horizontal Scalability ○ High Performance ○ High Availability ○ Rich Query Language
- 37. Replication ????(High Availability)? ?? ??(Data Redundancy)? ??? ?? ?? ● Primary ○ ??? ?? ??
- 38. Replication ● Secondary ○ ??? ???? ????? ???? ?????? ??? ??? ? ?? ○ ?????? ?? ?? ??? ?? ??? ?? ???? ?? ? ??? ????? ??? ? ○ ??? ?? ??? Read Preference? ?? ???? ??? ?? ??
- 39. Replication ● Arbiter ○ ?? ???? ?? ?? ?? ????? ???? ???? ?? ○ HA? ???? ?? ???? ?? ?? 3? ??? ??? ???? ??? ???? ?? ??? ??
- 40. ????? ?? ?? Primary Secondary Secondary ReplicationReplication
- 41. ????? ?? ?? Primary Secondary Secondary ReplicationReplication Heartbeat Heartbeat Heartbeat
- 42. ????? ?? ?? Primary Secondary Secondary ReplicationReplication Heartbeat Heartbeat Heartbeat
- 43. ????? ?? ?? Primary Secondary Secondary Heartbeat
- 44. ????? ?? ?? Primary Secondary Secondary Heartbeat Election for New Primary
- 45. ????? ?? ?? Primary Primary Secondary Heartbeat Replication
- 46. Summary Key Features ● Horizontal Scalability ○ ??? ?? ?? ● High Performance ○ ???? ????? ??? ??? ??? ?? ● High Availability ○ ???? ?? ?? ?? ● Rich Query Language ○ CRUD ?? ??? Data Aggregation? Text search, Geospatial ??? ??
- 48. ??? ?? ?? ?????? ???? ?? ● ?? ?? ?? ● ??? ?? ?? ??? ?? ?? ● ??? ?? ● ?? ?? ● ??? ??
- 49. ??? ?? ?? ?????? ???? ?? ● ?? ?? ?? ● ??? ?? ?? ??? ?? ?? ● ??? ?? ● ?? ?? ● ??? ??
- 50. ??? ?? (Relational Model) ??? ?????? ?? ● ???(Normalization) ○ ??? ?? ?? ○ ?? ??(anomalies) ??
- 51. ??? ?? (Relational Model) ???(one-to-many) ?? ● ??? - ??, ??? - ??, ??? - ??? ● ??, ??, ???? ?? ???? ??? ??? ????? ???? ??
- 52. ??? ?? (Relational Model) ???(many-to-many) ?? ● ??? ??? ??? ?? ???? ???? ?? ● ??? ???? ?? ??? ??? ?? ? ??, ??? ??? ??? ?? ???? ?? ? ??
- 53. ??? ?? (Relational Model) ???(many-to-many) ?? ● ??? ??? ??? ?? ???? ?? ● ??? : ??? ?? = 1 : n ??? ?? : ??? = 1: n
- 54. ??? ???
- 55. ?? ?? (Document Model) "user_id": 251, "first_name": "Bill", "last_name": "Gates", "summary": "Co-chair of the Bill & Melinda Gates... Active blogger.", "region_id": "us:91", "industry_id": 131, "photo_url": "/p/7/000/253/05b/308dd6e.jpg", "positions": [ { "job_title": "Co-chair", "organization": "Bill & Melinda Gates Foundation" }, { "job_title": "Co-founder, Chairman", "organization": "Microsoft" } ], "education": [ { "school_name": "Harvard University", "start": 1973, "end": 1975 }, { "school_name": "Lakeside School, Seattle", "start": null, "end": null } ], "contact_info": { "blog": "http://thegatesnotes.com", "twitter": "http://twitter.com/BillGates" } }
- 56. ?? ?? (Document Model) "user_id": 251, "first_name": "Bill", "last_name": "Gates", "summary": "Co-chair of the Bill & Melinda Gates... Active blogger.", "region_id": "us:91", "industry_id": 131, "photo_url": "/p/7/000/253/05b/308dd6e.jpg", "positions": [ { "job_title": "Co-chair", "organization": "Bill & Melinda Gates Foundation" }, { "job_title": "Co-founder, Chairman", "organization": "Microsoft" } ], "education": [ { "school_name": "Harvard University", "start": 1973, "end": 1975 }, { "school_name": "Lakeside School, Seattle", "start": null, "end": null } ], "contact_info": { "blog": "http://thegatesnotes.com", "twitter": "http://twitter.com/BillGates" } } ?? ?????? ?? ● ????(Denormalization) ○ ??? ?? ?? ○ ??? ?? ?? ?? ??? "user_id": 251, "first_name": "Mark", "last_name": "Zuckerberg", "summary": "Co-founding and leading Facebook", "region_id": "us:91", "industry_id": 131, "photo_url": "/p/7/000/253/05b/308dd6e.jpg", "positions": [ { "job_title": "The founder and CEO", "organization": "Facebook" } ], "education": [ { "school_name": "Harvard University", "start": 2002, "end": 2004 } ], "contact_info": { "facebook": "https://www.facebook.com/zuck" } }
- 57. ?? ?? (Document Model) ????? ?? ???? ● ??????? ?? ?? ?? ● ?? ??? ????? ?? ?? ● ??? ????? ? ????? ??? ?? ● ?? ???? ??? ??? ?? ??? ??
- 58. ?? ?? (Document Model) ????? ?? ???? ● ??????? ?? ?? ?? ● ?? ??? ????? ?? ?? ● ??? ????? ? ????? ??? ?? ● ?? ???? ??? ??? ?? ??? ??
- 59. ?? ?? (Document Model) ???? ??? ● ?? ○ ?? ?? ?? ○ ?? ??? ?? ○ ? ?? ??? ?? (? ?? ?? ??) ● ?? ○ ??? ?? ??? ?? ○ ??? ??? ?? ?? ???? ?? ○ ???? ??? ??? ??? ? ?? ○ ? ?? ?? ?? ??
- 60. ?? ?? (Document Model) ???(one-to-many) ?? ● ?? ○ ??? ??? ?? ??? ??? ?? ?? { customer_id: 76123, name: 'Acme Data Modeling Services', person_or_business: 'business', address : [ { street: '276 North Amber St', city: 'Vancouver', state: 'WA', zip: 99076} , { street: '89 Morton St', city: 'Salem', state: 'NH', zip: 01097} ] }
- 61. ?? ?? (Document Model) ???(many-to-many) ?? ● ?? ○ ??? ?? ??? ??? ? ?? ??? ?? ??? ??? ?? ??? { { courseID: 'C1667', title: 'Introduction to Anthropology', instructor: 'Dr. Margret Austin', credits: 3, enrolledStudents: ['S1837', 'S3737', 'S9825' ... 'S1847'] }, { courseID: 'C2873', title: 'Algorithms and Data Structures', instructor: 'Dr. Susan Johnson', credits: 3, enrolledStudents: ['S1837','S3737', 'S4321', 'S9825' ... 'S1847'] }, ... ?? ??? { {studentID:'S1837', name: 'Brian Nelson', gradYear: 2018, courses: ['C1667', C2873,'C3876']}, {studentID: 'S3737', name: 'Yolanda Deltor', gradYear: 2017, courses: [ 'C1667','C2873']}, ... }
- 62. Summary ● ??? ???? ?? ?????? ?? ?? ?? ● ???(Normalization)? ????(Denormalization) ○ ???? ?? ??? ???? ??? ??? ??? ○ ????? ?? ?? ○ ?? ?????? ?????? ????? ?? ?? ● ???, ???? ?? ??? ??? ○ ?? ??? ?? ○ ?? ?? ??? ?? ?? ○ ??????? ??? ?? ??
- 63. Thank you