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Decision to use KEY or UNIQUE KEY

score 41 · Answer 1 · 2015-06-13 11:00:29

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Decision to use KEY or UNIQUE KEY

41 views Asked by noi.m At 13 June 2015 at 11:00

score 452 · Answer 2 · 2016-12-28 18:54:19

How does a unique partial index work inside an array in Mongo

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score 1330 · Answer 3 · 2014-11-11 23:11:55

Unique and Sparse Schema-level Index MongoDB and Mongoose

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score 1124 · Answer 4 · 2014-11-25 14:38:50

MySql - how can you create a unique constraint on a combination of two values in two columns

1.1k views Asked by Busiek At 25 November 2014 at 14:38

score 281 · Answer 5 · 2014-11-27 23:53:48

Error in creating a unique index

281 views Asked by jm- At 27 November 2014 at 23:53

score 1381 · Answer 6 · 2013-12-04 15:34:33

UNIQUE index spanning multiple tables

1.3k views Asked by user1032531 At 04 December 2013 at 15:34

score 1840 · Answer 7 · 2013-12-13 21:29:15

Why do I get a "indexed columns are not unique" error when trying to add a UNIQUE INDEX to a SQLite Table?

1.8k views Asked by rstackhouse At 13 December 2013 at 21:29

score 521 · Answer 8 · 2013-12-18 15:51:09

Django using unique_together in a subclass of custom user model

521 views Asked by Emin Bugra Saral At 18 December 2013 at 15:51

score 512 · Answer 9 · 2017-09-11 13:05:22

Postgresql Unique Index on two columns with null value

512 views Asked by Robert At 11 September 2017 at 13:05

score 6993 · Answer 10 · 2017-09-18 10:55:56

Unique filtered index with multiple conditions in SQL Server

6.9k views Asked by Meneghino At 18 September 2017 at 10:55

TechQA.

List Question

Decision to use KEY or UNIQUE KEY

How does a unique partial index work inside an array in Mongo

Unique and Sparse Schema-level Index MongoDB and Mongoose

MySql - how can you create a unique constraint on a combination of two values in two columns

Error in creating a unique index

UNIQUE index spanning multiple tables

Why do I get a "indexed columns are not unique" error when trying to add a UNIQUE INDEX to a SQLite Table?

Django using unique_together in a subclass of custom user model

Postgresql Unique Index on two columns with null value

Unique filtered index with multiple conditions in SQL Server

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