Table Fields (SAP Library - Tables)

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Table Fields

You must define the following for a table field in the ABAP Dictionary:

Field name: The field name can have a maximum of 16 places and may contain letters, digits and underscores. The field name must begin with a letter.

Key flag: determines whether the field should belong to the table key.

Field type: data type of the field in the ABAP Dictionary.

Field length: number of valid places in the field.

Decimal places: number of places after the decimal point, specifying numeric data types.

Short text: short text describing the meaning of the field.

You can also include the fields of a structure in the table.

Assignment of the Data Type, Field Length and Short Text

You can assign the data type, length and short text in different ways:

You directly assign the field a data type, field length (and if necessary decimal places) and short text in the table definition.

You can assign the field a data element. The data type, field length (and decimal places) are determined from the domain of the data element. The short description of the data element is assigned to the field as a short text.

Other Assignment Options

Check table: An input check for the field can be defined with a foreign key. This input check appears on all the screens in which the field is used.

Search help assignment: A search help can be assigned to a field. This search help defines the input help flow on all the screens in which the field is used.

Reference field and reference table: You must specify the table field in which the corresponding unit of measure or currency can be found for fields containing quantities (data type QUAN) or currency amounts (data type CURR).

See also:

Creating Tables

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