SYSCOLUMNS
Describes the columns within all tables in the current database:
Column Name | Type | Length | Nullable | Contents |
REFERENCEID | CHAR | 36 | false | Identifier for table or publication (join with SYSTABLES.TABLEID or SYSPUBS. PUBLICATIONID) |
COLUMN-NAME | CHAR | 128 | false | column or parameter name |
COLUMNNUMBER | INT | 4 | false | the position of the column within the table or the position of the parameter within the publication |
COLUMNDATATYPE | org.apache.derby.catalog. TypeDescriptor This class is not part of the public API.
|
| false | system type that describes precision, length, scale, nullability, type name, and storage type of data |
COLUMNDEFAULT | java.io.Serializable |
| true | for tables, describes default value of the column. The toString() method on the object stored in the table returns the text of the default value as specified in the CREATE TABLE or ALTER TABLE statement. for publication parameters, defines the default value of the parameter at the source, and the actual value of the parameter at the target
|
COLUMNDEFAULTID | CHAR | 36 | false | unique identifier for the default value |
IDENTITYCOLUMNVALUE | BIGINT |
| true | what the next value for column will be, if the column is an identity column |
IDENTITYCOLUMNSTART | BIGINT |
| true | initial value of column (if specified), if it is an identity column |
IDENTITYCOLUMNINC | BIGINT |
| true | amount column value is automatically incremented (if specified), if the column is an identity column |
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