StatisticsScanType Enumeration

 

The StatisticsScanType enumeration contains values that specify the ways in which statistical information is collected from tables or views during the creation or update of a statistic counter.

Namespace:   Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

type StatisticsScanType

Member nameDescription
Default

Value = 5. Specifies that a percentage of the table or indexed view is used when collecting statistics. The actual percentage is calculated by the SQL Server engine automatically.

FullScan

Value = 3. Specifies that all rows in the table or view are read when gathering statistics. This option must be used if a view is specified and it references more than one table.

Percent

Value = 1. Specifies that a percentage of the table or indexed view is used when collecting statistics. This options cannot be used if a view is specified and it references more than one table. When specified, use the sampleValue argument to indicate number of rows.

Resample

Value = 4. Specifies that the percentage ratio of the table or indexed view used when collecting statistics is inherited from existing the statistics.

Rows

Value = 2. Specifies that a number of rows in the table or indexed view are used when collecting statistics. This option cannot be used if a view is specified and it references more than one table. When specified, use the sampleValue argument to indicate number of rows.

The StatisticsScanType enumeration class is served by the SetScanOptions method and the Update method.

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