Дизайн таблицы

In the Table Design window you define new tables or edit the structure of an existing table.

The window has its own menu bar. It also contains the following new command: Index Design

Table definition area

This area is where you define the table structure.

Имя поля

Specifies the name of the data field. The database engine may impose restrictions on the length of the table name, and the use of special characters and spaces within the table name.

Тип поля

Specifies the field type. The available field types are limited by the database engine being used.

Описание

Specifies an optional description for each field.

The row headers contain the following context menu commands:

Вырезать

Cuts the selected row to the clipboard.

Копировать

Copies the selected row to the clipboard.

Вставить

Pastes the content of the clipboard.

Удалить

Удаляет выделенную строку.

Вставить строки

Inserts an empty row above the current row, if the table has not been saved. Inserts an empty row at the end of the table if the table has already been saved.

Первичный ключ

If this command has a check mark, the data field is defined as a primary key. By clicking the command you activate/deactivate the primary key definition of the field. The command is only visible if the data source supports primary keys.

Свойства поля

Defines the field properties of the currently selected field.

Длина

Задаёт максимальное допустимое число символов для данных соответствующего поля данных, включая пробелы и специальные символы.

Дробная часть

Specifies the number of decimal places for a numerical field or decimal field.

Значение по умолчанию

Specifies the value that is the default in new data records.

Пример формата

Displays a sample of the format code of the field by applying it to the default value. Select the format code with the Format Field button.

Поле формата

This button opens the Format Field dialog.

Help area

Displays a help string or hint defined by the database designer for the given field.