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ABENOPEN_SQL_WRITING - OPEN SQL WRITING

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- Write Access

Write accesses include inserting, modifying, and deleting content in DDIC database tables. All write accesses can be made as individual accesses or as mass access. If multiple rows of a DDIC database table are to be changed, mass access using internal tables generally gives better performance than individual accesses.

• INSERT

• UPDATE

• MODIFY

• DELETE

Notes

• In the case of writes, attention must always be paid to data consistency. The LUW concept is designed for this purpose. In application programs of an AS ABAP, the implicit database LUWs are normally not sufficient for consistent data storage. Instead, explicit SAP LUWs need to be programmed, which normally contain multiple database LUWs.

• When making writes to a DDIC database table for which a database cursor is open in a SELECT loop or opened by using OPEN CURSOR, the result set is database-specific and undefined. Avoid this kind of parallel access if possible.

• Write access to DDIC database tables or DDIC table views in ABAP Dictionary with replacement objects is still performed on the DDIC database table or the DDIC view and produce a syntax warning.

• Once a global temporary table is filled using , this table must be emptied again explicitly before the next implicit database commit using the statement DELETE FROM without WHERE or using an explicit database commit or database rollback. If not, the runtime error COMMIT_GTT_ERROR is produced.

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