Field

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Unique Values

Number of distinct values

Uniqueness

Unique Values / Number of rows

Null count

Number of rows containing null values

Density

Number of rows containing a non-null value.

Text count

Number of rows containing alphanumeric values

Numeric count

Number of rows containing numeric values

Size, bytes

Total bytes required for symbol storage and table index bits.

Avg.bytes/Symb

Average number of internal bytes per value.  Numeric values occupy 4 bytes each.

Tags

Tags assigned ot the field.

XML Type

Type assigned in the QVD NumberFormat element.

Format

The default Num format pattern, if assigned.

Comment

Comment assigned to the field.