This
system table contains the columns in all the tables, views, synonyms, and result tables for which the current user has privileges.COLUMNS
OWNER |
CHAR(32) |
Name of the owner of the database object |
TABLENAME |
CHAR(32) |
Name of the database object |
COLUMNNAME |
CHAR(32) |
Name of the column |
MODE |
CHAR(3) |
Type of column (KEY | MAN | OPT) |
DATATYPE |
CHAR(10) |
Data type of the column (BOOLEAN | CHAR | DATE | FIXED | FLOAT | INTEGER | LONG | SMALLINT | TIME | TIMESTAMP) |
CODETYPE |
CHAR(8) |
Code attribute of the column (ASCII | EBCDIC | BYTE | UNICODE) |
LEN |
FIXED(4) |
Length or precision of the column |
DEC |
FIXED(3) |
Number of decimal places in the columns of data type FIXED |
COLUMNPRIVILEGES |
CHAR(8) |
Privileges of the current user for the column |
DEFAULT |
CHAR(254) |
DEFAULT value for the column |
DOMAINOWNER |
CHAR(32) |
Name of the owner of the domain |
DOMAINNAME |
CHAR(32) |
Name of the domain |
POS |
FIXED(4) |
Original position of the column in the table |
KEYPOS |
FIXED(4) |
Original position of the key column in the table |
CREATEDATE |
DATE |
Creation date of the column |
CREATETIME |
TIME |
Creation time of the column |
ALTERDATE |
DATE |
Alter date of the column |
ALTERTIME |
TIME |
Alter date of the column |
TABLETYPE |
CHAR(8) |
Type of table |
COMMENT |
LONG |
Comment on the column |