Each row in the syscolumn system table describes one column.
Column name | Column type | Description |
---|---|---|
column_name | VARCHAR(128) | The name of the column. |
default | VARCHAR(128) | The default value for this column. For example, autoincrement. |
domain | UNSIGNED INT | The column domain, which is an enumerated value indicating the domain of the column. |
domain_info | UNSIGNED INT | Used with a variable sized domain. |
nulls | CHAR(1) | Determines if the column allows nulls default. |
object_id | UNSIGNED INT | A unique identifier for that column. |
table_id | UNSIGNED INT | The identifier of the table to which the column belongs. |
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