Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 1703

InnoDB : MySQL's ACID-compliant Storage Engine

2 votes

Can I have create an InnoDB table without a PK? If so, would a secondary index be used as th...

InnoDB will first test to see if there is a PRIMARY KEY, if there isn't one, it will check for a UNIQUE KEY and use it for clustering the data, if there is no UNIQUE KEY, then InnoDB will generate an internal …
ovais.tariq's user avatar