Release 10.1A: OpenEdge Data Management:
SQL Reference

> ## SYS_KEYCOL_USAGE

> Contains one row for each column on which a PRIMARY KEY or FOREIGN KEY is specified.

> Table 41 provides details of the SYS_KEYCOL_USAGE table.

> Table 41: SYS_KEYCOL_USAGE system table
> Column name | Column data type | Column size
> --- | --- | ---
> cnstrname | VARCHAR | 32
> colname | VARCHAR | 32
> colposition | INTEGER | 4
> owner | VARCHAR | 32
> tblname | VARCHAR | 32

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