ABAP FAQ

Pooled tables can be used to store control data (e.g. screen sequences, program parameters or temporary data). Several pooled tables can be combined to form a table pool. The table pool corresponds to a physical table on the database in which all the records of the allocated pooled tables are stored.

Pooled tables can be used to store control data (e.g. screen sequences, program parameters or temporary data). Several pooled tables can be combined to form a table pool. The table pool corresponds to a physical table on the database in which all the records of the allocated pooled tables are stored.

No data records exist in the database for a structure. Structures areused for the interface definition between programs or between screens andprograms. Append structureAn append structure defines a set of fields which belong to another tableor structure but which are treated in the correction administration asits own object.Append structures are used to support modifications.

Cluster tables contain continuous text, for example, documentation. Several cluster tables can be combined to form a table cluster. Several logical lines of different tables are combined to form a physical record in this table type. This permits object-by-object storage or object-by-object access. In order to combine tables in clusters, at least parts of the … Read more

There is a physical table on the database for each transparent table. Thenames of the physical tables and the logical table definition in theABAP/4 Dictionary correspond.All business data and application data are stored in transparent tables.

The table type determines how the logical table description defined inthe ABAP/4 Dictionary is reproduced on the database. There are the following table types:o transparent tableo structureo append structure For internal purposes, such as storing control data or update texts,there are in addition the following table types:o pooled tableo cluster tableo generated view structure