Set AllDataColumnCharacteristics

AllDataColumnCharacteristics

The predefined set AllDataColumnCharacteristics contains all possible column properties, which can be queried using the function SQLColumnData.

Set AllDataColumnCharacteristics {
    Index      :  IndexDataColumnCharacteristics;
    Definition :  {
        data { Name, DataType, Width,
               NumberOfDecimals, IsPrimaryKey,
               Nullable, DefaultValue, Remark }
    }
}

Definition

The set AllDataColumnCharacteristics contains all possible column properties, which can be queried using the function SQLColumnData. They are:

  • Name : The name of the column.

  • DataType : The data type of the column.

  • Width : The column width.

  • NumberOfDecimals : The number of decimals of the column. Only applicable for numeric columns.

  • IsPrimaryKey : Specfies whether the column is part of the primary key for the database table. Returns "Yes" or "No".

  • Nullable : Specifies whether the column is nullable or not. Returns "Yes" or "No".

  • DefaultValue : The default value of the column.

  • Remark : The remark associated with the column.

Updatability

The contents of the set cannot be modified.

See also

The function SQLColumnData.