Sysixcol System Table - Sybase Adaptive Server Anywhere Reference

SYSIXCOL system table

SYSIXCOL system table
1018
Column name Column type
table_id UNSIGNED
INT
index_id UNSIGNED
INT
sequence SMALLINT
column_id UNSIGNED
INT
"order" CHAR(1)
Every index has one row in SYSIXCOL for each column in the index.
table_id Identifies the table to which the index applies.
index_id Identifies in which index this column is used. Together, table_id
and index_id identify one index described in SYSINDEX.
sequence Each column in an index is assigned a unique number starting
at 0. The order of these numbers determines the relative significance of the
columns in the index. The most important column has sequence number 0.
column_id The column number identifies which column is indexed.
Together, table_id and column_id identify one column in SYSCOLUMN.
order (A/D) Indicate whether this column in the index is kept in ascending
or descending order.
Column Table constraints
constraint
NOT NULL Primary key. Foreign
key references
SYSCOLUMN. Foreign
key references
SYSINDEX.
NOT NULL Primary key. Foreign
key references
SYSINDEX
NOT NULL Primary key
NOT NULL Foreign key references
SYSCOLUMN
NOT NULL