For information on the parameters in this dialog that are common to all readers, see:
For information on the parameters in this dialog that are common to all writers, see:
User attributes for MapInfo Extended TAB are defined below. This format supports field names only up to 30 characters in length.
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Name |
The name of the field to be written. |
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Type |
Choose one of the following field types.  char
Character fields store fixed length strings. Width controls the maximum of characters stored by the field. No padding is required for strings shorter than this width. date
Date fields store dates as character strings with the format dependent on your location. This format is usually YYYYMMDD. datetime
Datetime fields store dates as character strings with the format YYYYMMDDHHMMSS.FFF. decimal
Decimal fields store single and double precision floating point values. Width is the total number of characters allocated to the field, including the decimal point. Precision controls the precision of the data and is the number of digits to the right of the decimal. float
Float fields store floating point values. The precision and width columns are not required. integer
Integer fields store 32-bit signed integers. largeint
Largeint fields store 64-bit signed integers. logical
Logical fields store Boolean data. Data read from or written to such fields must always have a value of either true or false. smallint
Small integer fields store 16-bit signed integers. Range: -32767 to +32767 time
Time fields store times as character strings in the format HHMMSS.FFF. |
|
Index |
The type of index to create for the column. When specified, the writer builds an attribute index table for the columns that are indexed, thereby making queries in MapInfo faster. |