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Definitions for
"Unique index"
Keywords:
column
,
index
,
constraint
,
duplicate
,
key
Related Terms:
Primary key
,
Key
,
Unique key
,
Candidate key
,
Unique constraint
,
Rowid
,
Identity column
,
Clustered index
,
Lookup table
,
Natural key
,
Hashtable
,
Unique identifier
,
Instance
,
Composite index
,
Object identifier
,
Surrogate key
,
Foreign key
,
Key field
,
Index
,
Index
,
Guid
,
Bitmap index
,
Hash table
,
Pmid
,
Sequence
,
Accession number
,
Column
,
Domain
,
Globally unique identifier
,
Oid
,
Tuple
,
Identifier
,
Tuple
,
Value
,
Result set
,
Hash table
,
Relation
,
Null value
,
Table
,
Uuid
,
Rid
,
Aid
,
Dictionary
,
Row
,
Integrity constraint
,
Data element
,
Timestamp
,
Function-based index
,
Selector
An in which each indexed object has a unique combination of values in its key fields.
choruscern.ch
an index value that has the additional constraint that the set of indexed columns defines a unique row
corporate.iexplore.com
an index where all key values are unique
virtual.drago.net
An index that prevents duplicate values in the indexed column.
www-306.ibm.com
An index that ensures that no identical key values are stored in a table.
nvc.cs.vt.edu
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