StackOverflow Questions for Tag: compound-key

user1447679
user1447679

Reputation: 3270

In a junction table, should I use a Primary key and a unique constraint, or a compound/composite key?

Score: 21

Views: 14191

Answers: 6

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Rich
Rich

Reputation: 36856

SQLite table constraint - unique on multiple columns

Score: 203

Views: 130702

Answers: 5

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danijar
danijar

Reputation: 34215

Map with multiple keys in C++

Score: 6

Views: 13781

Answers: 2

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Arthwys Ironhand
Arthwys Ironhand

Reputation: 41

Can I create a third "value" on another table from the combined keys of a Bridge Table?

Score: 0

Views: 53

Answers: 1

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joe
joe

Reputation: 5642

Performance of filter+sort when filtering with a range on a compound key that has a key with many increments (like millisecond timestamps)

Score: 0

Views: 112

Answers: 1

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newjsperson
newjsperson

Reputation: 23

'Create a Campaign Conversion' linkedin API giving 'is not a Compound key' error with status 400

Score: 1

Views: 220

Answers: 0

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Mohamed Mufeed
Mohamed Mufeed

Reputation: 1580

How can auto-Incrementing be maintained when concurrent transactions occur on a compound key In MYSQL?

Score: 0

Views: 641

Answers: 2

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cr001
cr001

Reputation: 673

Mysql key: is single key guaranteed to be faster than compound key?

Score: 1

Views: 332

Answers: 3

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DaveA
DaveA

Reputation: 1297

In SQLAlchemy, how do I query composite primary keys?

Score: 10

Views: 12359

Answers: 2

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user506600
user506600

Reputation: 91

Can not set java.lang.Integer field id to org.hibernate.id.IdentifierGeneratorHelper

Score: 9

Views: 9713

Answers: 1

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amisos
amisos

Reputation: 13

Microsoft Access - Using Concat related on a field with a compound key

Score: 1

Views: 33

Answers: 0

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aifdsc
aifdsc

Reputation: 31

Breeze.js: error when assigning compound foreign key with GUID and integer values

Score: 3

Views: 401

Answers: 1

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xenoterracide
xenoterracide

Reputation: 16865

Optional unidirectional one to one relationship with compound key

Score: 0

Views: 44

Answers: 0

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Alex Tbk
Alex Tbk

Reputation: 2104

Clustering order does not work with compound partition key

Score: 3

Views: 366

Answers: 1

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Ozzy
Ozzy

Reputation: 71

How to handle compound keys with Spring Data JDBC

Score: 7

Views: 3663

Answers: 1

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atlacatl
atlacatl

Reputation:

MySQL SELECT LAST_INSERT_ID() for compound key. Is it possible?

Score: 3

Views: 1740

Answers: 1

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AskYous
AskYous

Reputation: 4740

How can I get views and unique views from a database table that has only user id and video id in one query?

Score: 0

Views: 474

Answers: 1

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PilotMelch
PilotMelch

Reputation: 7

Reinstantiating EF classes with one-to-many relationship and compound key of strings

Score: 0

Views: 55

Answers: 1

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Marc Tulla
Marc Tulla

Reputation: 1771

dplyr issues when using group_by(multiple variables)

Score: 58

Views: 113851

Answers: 5

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user2268507
user2268507

Reputation:

Unique on Compound Columns

Score: 0

Views: 920

Answers: 3

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