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28

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1
+1  Q: 

What is the Index - Normal - FullText - Unique

Same the title : What is the Index - Normal - FullText - Unique ?

+3  A: 

A normal index is used to speed up operation by only containing a slice or hash of the row's data.

A fulltext index indicates to the database's fulltext search (FTS) engine that it should archive the data within the given fields for quicker searching through large volumes of text.

A unique index is similar to a normal index, but also imposes upon the database that the specific combination of fields within the index will be unique across the entire table.

Ignacio Vazquez-Abrams  2010-07-16 04:42:10
What is a slice - hash
Snoob  2010-07-16 04:54:30
It's just... a piece, a chunk, a portion.
Ignacio Vazquez-Abrams  2010-07-16 04:58:47

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