SYSIQTABCOL System View

Presents group information from ISYSIQTABCOL in a readable format. Each row in the SYSIQTABCOL view describes a column in an IQ table.

ALTER VIEW "SYS"."SYSIQTABCOL"
as select * from SYS.ISYSIQTABCOL
Note: This view replaces the deprecated system view SYSIQCOLUMN.

Column name

Column type

Description

link_table_id

unsigned int

For internal use.

link_column_id

unsigned int

For internal use.

max_length

unsigned int

Indicates the maximum length allowed by the column.

approx_unique_count

rowid

Approximate number of unique values (cardinality) of this column.

cardinality

rowid

The actual number of unique values (cardinality) of this column.

has_data

char(1)

Indicates that the column contains data (T/F).

is_nbit

char(1)

Indicates whether the column is NBit (T) or Flat FP (F).

Constraints on underlying system table:

Primary key (table_id)

Related reference
SYSIQCOLUMN System View (Deprecated)