TechQA.

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How to generate unique secure random string in PHP?

score 3214 · Answer 1 · 2015-06-13T06:34:55.877000

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How to generate unique secure random string in PHP?

3.2k views Asked by lalitpatadiya At 13 June 2015 at 06:34

score 1714 · Answer 2 · 2015-06-15T17:28:26.740000

Solr 5.1.0: How to set the unique key via Schema API

1.7k views Asked by Chen Sheng-Lun At 15 June 2015 at 17:28

score 31153 · Answer 3 · 2015-06-18T09:43:36.583000

MySQL: is primary key unique by default?

31.1k views Asked by Roee Gavirel At 18 June 2015 at 09:43

score 147 · Answer 4 · 2015-06-16T06:54:26.723000

Creating Unique Key in Entity Framework Model First approach

147 views Asked by Parveen At 16 June 2015 at 06:54

score 1093 · Answer 5 · 2015-06-28T14:33:05.067000

UPDATE MySQL table with HAVING clause

1k views Asked by Ali Caner Öner At 28 June 2015 at 14:33

score 336 · Answer 6 · 2016-12-19T11:55:08.797000

What's the best way to get address difference between a class variable and the starting address of a class object?

336 views Asked by iammilind At 19 December 2016 at 11:55

score 947 · Answer 7 · 2014-11-18T18:17:54.683000

Multivalued dependency confusion

947 views Asked by SLAYEROFSOULS At 18 November 2014 at 18:17

score 722 · Answer 8 · 2014-11-20T13:39:42.723000

Identifying documents by multiple unique keys in solr

722 views Asked by thilemann At 20 November 2014 at 13:39

score 1148 · Answer 9 · 2014-11-21T10:55:23.507000

mySQL UPDATE while ignoring table constraints

1.1k views Asked by RonnyKnoxville At 21 November 2014 at 10:55

score 358 · Answer 10 · 2014-12-01T05:07:31.463000

MySQL: Is it mandatory to create a `Unique Key` when you have 2 `Primary Keys` in a table?

358 views Asked by PeakGen At 01 December 2014 at 05:07

score 266 · Answer 11 · 2013-12-11T19:25:25.430000

How to Generate random numbers without the same number

266 views Asked by user3092575 At 11 December 2013 at 19:25

score 168 · Answer 12 · 2013-12-11T10:07:38.077000

Adding unique key/index to table and its influence on existing records

168 views Asked by S_F At 11 December 2013 at 10:07

score 209 · Answer 13 · 2017-08-29T17:55:30.460000

Can we have a table with no primary key but a composite unique key on multiple columns in entity framework?

209 views Asked by user3861992 At 29 August 2017 at 17:55

score 1341 · Answer 14 · 2017-09-03T15:20:31.953000

Does an empty SQL table have a superkey? Does every SQL table have one?

1.3k views Asked by AudioBubble At 03 September 2017 at 15:20

score 24135 · Answer 15 · 2011-02-16T22:16:13.427000

Find or insert based on unique key with Hibernate

24.1k views Asked by Mike Deck At 16 February 2011 at 22:16

score 9973 · Answer 16 · 2011-02-23T02:18:32.153000

Why can I not set this unique constraint in PostgreSQL?

9.9k views Asked by KatDevsGames At 23 February 2011 at 02:18

score 93 · Answer 17 · 2013-08-27T06:02:01.653000

Checking uniqueness on real time application

93 views Asked by cacert At 27 August 2013 at 06:02

score 157 · Answer 18 · 2013-08-26T20:13:13.577000

SQL: auto_increment of primary key counts different since I added unique keys?

157 views Asked by Mr. B. At 26 August 2013 at 20:13

score 44350 · Answer 19 · 2013-09-11T17:29:28.587000

Filter unique values from a JSON

44.3k views Asked by anilCSE At 11 September 2013 at 17:29

score 1792 · Answer 20 · 2020-09-29T20:21:39.140000

Generate new unique ID numbers while excluding previously generated ID numbers in R

1.7k views Asked by Trent At 29 September 2020 at 20:21

TechQA.

List Question

How to generate unique secure random string in PHP?

Solr 5.1.0: How to set the unique key via Schema API

MySQL: is primary key unique by default?

Creating Unique Key in Entity Framework Model First approach

UPDATE MySQL table with HAVING clause

What's the best way to get address difference between a class variable and the starting address of a class object?

Multivalued dependency confusion

Identifying documents by multiple unique keys in solr

mySQL UPDATE while ignoring table constraints

MySQL: Is it mandatory to create a `Unique Key` when you have 2 `Primary Keys` in a table?

How to Generate random numbers without the same number

Adding unique key/index to table and its influence on existing records

Can we have a table with no primary key but a composite unique key on multiple columns in entity framework?

Does an empty SQL table have a superkey? Does every SQL table have one?

Find or insert based on unique key with Hibernate

Why can I not set this unique constraint in PostgreSQL?

Checking uniqueness on real time application

SQL: auto_increment of primary key counts different since I added unique keys?

Filter unique values from a JSON

Generate new unique ID numbers while excluding previously generated ID numbers in R

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