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data dictionary
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‎2007 Aug 24 12:59 PM
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‎2007 Aug 24 1:00 PM
- SAP Managed Tags
- ABAP Development
You can group any complex internal data objects of an ABAP/4 program together in data clusters and store them temporarily in ABAP/4 memory or for longer periods in databases. You can store data clusters in special databases of the ABAP/4 Dictionary. These databases are known as ABAP/4 cluster databases and have a predefined structure. Storing a data cluster is specific to ABAP/4. Although you can also access cluster databases using SQL statements, only ABAP/4 statements are able to decode the structure of the stored data cluster
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‎2007 Aug 24 1:00 PM
- SAP Managed Tags
- ABAP Development
Hi,
<b>Data Clusters</b>
A data cluster is a group of data objects grouped together for the purpose of storage in a storage medium, which can only be edited using ABAP statements.
The data objects are written to the storage medium using the statement EXPORT, and are retrieved using the statement IMPORT. The statement DELETE can be used to delete a chosen storage memory, and FREE can be used to delete the ABAP Memory. The statement IMPORT DIRECTORY generates a list of all data objects that have previously been exported to a database table.
The statements for data clusters are extended by the subclasses of the abstract system class CL_ABAP_EXPIMP (also see classes for data clusters).
Regards,
Sesh
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‎2007 Aug 24 1:03 PM
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‎2007 Aug 24 1:04 PM
- SAP Managed Tags
- ABAP Development
Hi
A data cluster is a group of data objects grouped together for the purpose of storage in a storage medium, which can only be edited using ABAP statements.
The data objects are written to the storage medium using the statement EXPORT , and are retrieved using the statement IMPORT . The statement DELETE can be used to delete a chosen storage memory, and FREE can be used to delete the ABAP Memory. The statement IMPORT DIRECTORY generates a list of all data objects that have previously been exported to a database table.
The statements for data clusters are extended by the subclasses of the abstract system class CL_ABAP_EXPIMP
Reward if usefull
Bluesky