- 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 functionSQLColumnData
. 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
.