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 OPTIMIZERINFORMATION 

The system table OPTIMIZERINFORMATION contains the information about value distributions that is determined by the UPDATE STATISTICS statement, and used by the SQL optimizer.

OPTIMIZERINFORMATION

OWNER

CHAR(32)

Owner of the table

TABLENAME

CHAR(32)

Name of the table

COLUMNNAME

CHAR(32)

Name of a single non-inverted column

INDEXNAME

CHAR(32)

Name of the index

DISTINCTVALUECOUNT

FIXED(10)

Number of distinct values in the column, index, or primary key

CALCULATEDSIZE

FIXED(10)

Memory requirements of the (primary key) index calculated by the last UPDATE STATISTICS (KB)

 

 

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