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LUW - Logical Unit of Work
A Logical Unit of Work (LUW or database transaction) is an inseparable sequence of database
operations which must be executed either in its entirety or not at all. For the database system, it
thus constitutes a unit.
LUWs help to guarantee database integrity. When an LUW has been successfully concluded, the
database is once again in a correct state. If, however, an error occurs within an LUW, all database
changes made since the beginning of the LUW are canceled and the database is then in the same
state as before the LUW started.
An LUW begins
o each time you start a transaction
o when the database changes of the previous LUW have been confirmed (database commit) or
o when the database changes of the previous LUW have been cancelled (database rollback)
An LUW ends
o when the database changes have been confirmed (database commit) or
o when the database changes have been canceled (database rollback)
Kalyana Chakravarthy , Deloitte Consulting ASC Hyderabad, Off # 732-509-2489, Email #
kchakravarthy@dc.com, Web : www.dc.com
A Logical Unit of Work (LUW or database transaction) is an inseparable sequence of database
operations which must be executed either in its entirety or not at all. For the database system, it
thus constitutes a unit.
LUWs help to guarantee database integrity. When an LUW has been successfully concluded, the
database is once again in a correct state. If, however, an error occurs within an LUW, all database
changes made since the beginning of the LUW are canceled and the database is then in the same
state as before the LUW started.
An LUW begins
o each time you start a transaction
o when the database changes of the previous LUW have been confirmed (database commit) or
o when the database changes of the previous LUW have been cancelled (database rollback)
An LUW ends
o when the database changes have been confirmed (database commit) or
o when the database changes have been canceled (database rollback)
Kalyana Chakravarthy , Deloitte Consulting ASC Hyderabad, Off # 732-509-2489, Email #
kchakravarthy@dc.com, Web : www.dc.com
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sap Tables
SAP Transaction codes
Internal tables
data dictionary
performance tuning
transports & Requests
Sap scripts
Smartforms
lsmw
reports
sap Workflow
module pool/ dialog
programming
table control
user exits
sap memory
abap memory
alv reports
ABAP ADVANCED
IDOC
ALE
BAPI
BADI
RFC
FUNCTIONAL SIDE
Materials Management
FICO
Human Resources
BIW / BW / SEM
Free Documentation
Abap Material
Ale Material
BAPI Material
BC Material
IDOC Material
R/3 Database Management
SAP material
RFC
Transport
Sales & Distribution Material
Basic Data and Function
Material
Basis (BC) Material
Billing Material
CA Material
CATT : Computer Aided Test
Tool
Capacity Evaluation and
leveling Material
Capacity Planning Material
Cross Application Material
Countries
Customer Service Material
Enterpise Material
Financial / Controlling (FICO)
Internet Time Sheet
Inspection Material
HR Material
Material Management
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Payroll Material
Pension Fund
Production Planning and
Control
Plant Maintenance
Quality Management Material
Real Estate Material
SAP material
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