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LONG [VARCHAR] Locate the document in its SAP Library structure

The LONG [VARCHAR] data type is used to define an alphanumeric column of any length (not for temporary tables). The data type LONG is specified in the column definition, with a code attribute, if required.

·        LONG [VARCHAR] [ASCII | BYTE]: A maximum of 2 GB of characters can be written in a LONG column.

·        LONG [VARCHAR] UNICODE: A maximum of 2 GB bytes can be written in a LONG column.

No functions can be applied to a LONG column. LONG columns cannot be compared to one another. The contents of LONG columns cannot be compared to character strings or other data types.

LONG columns can only contain NOT NULL or a DEFAULT specification as a column attribute.

LONG columns can be used in the following SQL statements and syntax elements:

·        INSERT statement

·        UPDATE statement

·        NULL predicate

·        Selected columns

 

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