SAP AND ABAP TIPS AND FACTS

" The role of the update work process is very important since it is responsible for recording the changes in the database. The process performs its functions when the ABAP applications are programmed with the statements in the UPDATE TASK. This type of updating is asynchronously performed, ie. The programs leave update records in a queue to be processed and then continue to the update process. Normally, it runs without any intervention from the SAP R/3 management, still R/3 includes utilities to monitor check and perform management operations on the updation processes. In case any updating error takes place, the system places a message to the user regarding the error and an alert is triggered in the CCMS monitor. For the update functions go to Administration menu bar option --> Monitor option ---> Update option. An initial update screen showing various functions appears. The initial update screen is used to display the system update records with error status or the records which have not yet been processed, activate and deactivate the updating in the whole SAP system. It is also useful to display the update statistics, to display the data on the erroneous update records and reprocess them, either in real or in test mode and to send waiting update records for processing after a deactivation/activations of the updating and delete update records. Many work processes of the type R/3 system update the database. A database interface is included by the dialog and background work processes, which can directly update the database. However, the update work processes ca also be used for updating the physical database in asynchronous way. If it is asynchronous updating, according to which the transactions are programmed in the ABAP business applications, then in the database commit phase, the transactions pass the update records to the update work processes."

"The flow of a program is determined by a sequence of screens in a dialog transaction. The screens that are called within a transaction, must belong to a single ABAP program, usually a module pool (Type M). You have to use the transaction maintenance transaction (SE93) to create a dialog transaction. Once you have entered a transaction code and a short description, chose transaction type program and screen. Then enter data on the next screen as required. The transaction code in a dialog program must be linked to the number of its initial screen. Finally enter this number in the screen number field."

Wednesday, April 23, 2008

Important Standard Reports in SAP

No Name Fields Transaction Description View Dept
1 Accounting Documents for Material

Material    
Company code
Valuation are
Posting date
Document date
Document type

MR51 All accounting documents are displayed Finance Inventory
2 Stock Overview
Company Code
Plant
Storage Location
Batch

Material     
Plant        
Storage location
Batch        

MMBE Overview of the current stock Inventory Inventory
3 Stocks/Requirements List Material
MRP Area
Plant		 MD04

Material requirement plan considering stocks and future requirements.

Planning Inventory
4 Display Warehouse Stocks of Material on Hand

Material      
Plant         
Storage Location
Batch         

MB52 Displays the Warehouse Stocks Stores/Purchase Inventory
5 Plant Stock Availability Material
Plant		 MB53

Stock situation of a given  material in selected plants.

 Stores/Purchase Inventory
6 Plant Analysis

Plant              
Storage location   
Material           
MRP controller     

MCBA Plant Standard Analysis Stores/Purchase Inventory
7 Material Analysis INVCO Selection

Plant           
Storage location
Material        
MRP controller  

MCBE

The standard analysis for a material uses the same selection criteria described
in the plant standard analysis. The material standard analysis is found using
Transaction MCBE

 Stores/Purchase Inventory
8 Batch Analysis Selection

Plant             
Storage location  
Material          
Batch             

MCBR

The standard analysis for batches derives its data from the information structures
S034 and S035.

 Stores/Purchase Inventory
9 Expiration date List

Material         
Plant            
Storage location 
Batch            

MB5M Expiry dates (along with stock details) Stores/Planing Inventory
10 Stock on Posting Date

Material number          
Company code             
Plant                    
Storage location         
Batch                    
Valuation type           
Movement type            
Special stock indicator  
Selection date           

MB5B

The report Stock for posting date lists a company's own stocks in a particular time period

 Stores Inventory
Posted by ABAP FRIEND at 4:45 AM

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ABAP TIPS

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Always specify your conditions in the Where-clause instead of checking them yourself with check statements. The database system can then use an index (if possible) and the network load is considerably less.

ABAP TIPS

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ABAP TIPS
Always specify your conditions in the Where-clause instead of checking them yourself with check statements. The database system can then use an index (if possible) and the network load is considerably less.

ABAP TIPS
For all frequently used Select statements, try to use an index. You always use an index if you specify (a generic part of) the index fields concatenated with logical Ands in the Select statement's Where clause. Note that complex Where clauses are poison for the statement optimizer in any database system.

ABAP TIPS
If there exists at least one row of a database table or view with a certain condition, use the Select Single statement instead of a Select-Endselect-loop. Select Single requires one communication with the database system, whereas Select-Endselect needs two.

ABAP TIPS
It is always faster to use the Into Table version of a Select statement than to use Append statements.

ABAP TIPS
To read data from several logically connected tables use a join instead of nested Select statements. Network load is considerably less.

ABAP TIPS
If you want to find the maximum, minimum, sum and average value or the count of a database column, use a select list with aggregate functions instead of computing the aggregates yourself. Network load is considerably less.

ABAP TIPS
If you process your data only once, use a Select-Endselect-loop instead of collecting data in an internal table with Select Into Table. Internal table handling takes up much more space.

ABAP TIPS
Use a select list or a view instead of Select * , if you are only interested in specific columns of the table. Network load is considerably less.

ABAP TIPS
For all frequently used, read-only tables, try to use SAP buffering. Network load is considerably less.

ABAP TIPS
Whenever possible, use array operations instead of single-row operations to modify your database tables. Frequent communication between the application program and database system produces considerable overhead.

ABAP TIPS
Whenever possible, use column updates instead of single-row updates to update your database tables. Network load is considerably less.

ABAP TIPS
Instead of using nested Select loops or FOR ALL ENTRIES it is often possible to use subqueries. Network load is considerably less.

ABAP TIPS
Use the special operators CO, CA, CS, instead of programming the operations yourself. If ABAP/4 statements are executed per character on long strings, CPU consumption can rise substantially.

ABAP TIPS
Some function modules for string manipulation have become obsolete and should be replaced by ABAP/4 statements or functions: STRING_CONCATENATE... -> CONCATENATE, STRING_SPLIT... -> SPLIT, STRING_LENGTH -> strlen(), STRING_CENTER -> WRITE...TO...CENTERED, STRING_MOVE_RIGHT -> WRITE...TO...RIGHT-JUSTIFIED

ABAP TIPS
Use the CONCATENATE statement instead of programming a string concatenation of your own.

ABAP TIPS
If you want to delete the leading spaces in a string, use the ABAP/4 statement SHIFT...LEFT DELETING LEADING... .Other constructions (with CN and SHIFT...BY SY-FDPOS PLACES, with CONDENSE if possible, with CN and ASSIGN CLA+SY-FDPOS(LEN) ...) are not as fast. In any case, avoid using SHIFT inside a WHILE-loop!

ABAP TIPS
Use the SPLIT statement instead of programming a string split yourself.

ABAP TIPS
Use the strlen( ) function to restrict the DO loop to the relevant part of the field, e.g. when determinating a check-sum.

ABAP TIPS
Use "CLEAR f WITH val" whenever you want to initialize a field with a value different from the field's type-specific initial value.

ABAP TIPS
Try to keep the table ordered and use binary search or used a table of type SORTED TABLE. If TAB has n entries, linear search runs in O( n ) time, whereas binary search takes only O( log2( n ) ).

ABAP TIPS
A dynamic key access is slower than a static one, since the key specification must be evaluated at runtime. However, for large tables the costs are dominated by number of comparison needed to locate the entry.

ABAP TIPS
If you need to access an internal table with different keys repeatedly, keep your own secondary indices.With a secondary index, you can replace a linear search with a binary search plus an index access.

ABAP TIPS
LOOP ... WHERE is faster than LOOP/CHECK because LOOP ... WHERE evaluates the specified condition internally. As with any logical expressions, the performance is better if the operands of a comparison share a common type. The performance can be further enhanced if LOOP ... WHERE is combined with FROM i1 and/or TO i2, if possible.

Always use Pretty Printer and Extended Program Check before releasing the code. Do not leave unused code in the program. Comment the code thoroughly. Align the comments and the Code. Follow the SAP Standards and SAP Best Practices guidelines. It’s a good practice to take a dump of the code on your local drive.

Ole Automation Part1
Ole Automation Part 2
Processing Blocks in ABAP
Simple ABAP Report
ALV Grid - Changing Colors
ALV Report Example
Creating Variants For ABAP Reports
Recording BDC using Transaction
Sales Document Flow in ABAP
User Exits in SAP SD
SAP ABAP Naming Standards
SAP SD Tables
SAP ABAP Data Dictionary Tables
MM Important Transaction Codes in SAP
Passing g Data From One ABAP Program to Another
ABAP Compute Add Collect and Append
SAP ABAP Determining Attributes of Data
SAP ABAP Editor Icons
BAPI for Displaying Material Data
BAPI to get customer bank details
EDI Outbound Process
SAP EDI Process Overview
Function Module for Vendor Bank details
SAP IDOC
Creating a Valid Password in SAP
SAP BADIs Introduction
SAP ABAP MACROS
POP UP function Module to Confirm and Save Data
Select Options
BAPI for availability check
String to Numerical
SAP Goods Movement Process
Getting a List of Plants for a Material
SAP R3 Clients Concept
ABAP Adobe Forms
Authorization Object Tables
SAP Industry Specific Solutions

Sap Scripts and SmartForms Bar Codes
Standard Reports and Sap Scripts
Important Standard Reports in SAP
Abap Tricks and Tips
Bapi Sales Order
BAPI Purchase Order
Creating Function Modules in SAP
Creating Tables in SAP
Finding User Exits in SAP
Function Module Create Text and Read Text
Important Transaction Codes in SAP
ABAP Function Module for Submitting a Program
ABAP Game Tic Tac Toe
ABAP Internal Table To Excel Sheet
ABAP Function Module to create Directory
Different Types of Menus in SAP
Function Modules in SAP to check Loged in Users
ABAP Function Module for Adding Days to Dates
Call a Transaction From a Remote System
SAP MM simple Procurement Cycle
BAPI Material EDIT
Finding Decimal Places in Currency
Getting negative sign before a number in ABAP
Program Editor Lock Unlock
Restricting Select Options
List of BAPIs in the system
SAP Function Module Scramble a String
LSMW
POP up table contents on the screen
SAP R3 Bookmarking Websites
Stock Requirements List Function Module
Retail Transaction Codes 		ABAP Debugger Break Points
ABAP Debugger WatchPoints
Drill Down Reports Concept
Creating a HOT SPOT
Interactive Programs and Hide Technique
String Concatenate
Get Week of the Year
SAP ABAP to Add Days to a Date
Add Months to a Date
Get Month in the Year
Display Clock
ABAP Code For Progress BAR
ABAP Function Module For Caluclator
ABAP Function Module For Calender
Displaying Messages in ABAP
Function Module Pop Up To Confirm
Conversion Routines in SAP
SAP ABAP Authorization
SAP ABAP Module Pool Tutorial
SAP ABAP RFC
Finding Path to SAP Transaction in Menu
SAP Purchasing Documents
SAP and ABAP Shortcuts
Logical Databases
Advantages of Logical Databases
Copy to Clipboard
BAPI Create Material
Finding and Running Programs in ABAP
Program Syntax Check and Extended Syntax Check
Select Options upper lower case
BAPI Sales Order Simulate
Get PLANT and Description for a Material
MRP List Function Module
Production Planning and Controlling
Applications in SAP R3
Tool Based Reports
Important Transaction Codes in SAP
SAP Stock per Bin 		Pop Up a Calender
Module to Read a File
Module to Reverse A String
Run an Executable Program with Parameters
Program for POP up Screen
Printing Selection Parameters for a Report
Uploading and DownLoading a Report
SAP ABAP Version Management
SAP ABAP Short Cuts
List of Important System Variables
ABAP MACROS
ABAP Calling a File Selector
Some Important Function Modules
ABAP String Operations
ABAP Function Module to Check Validity of Date
Transfer Internal Table Contents to a File
SAP ABAP Program Types
BAPI to Read Customer Data
Checking Validity of Date
Download to Application Server
ABAP Debugger Breakpoint and Watchpoint
BAPI to get Company Code Details
Creating Material Using BAPI part 2
Generating a Valid Password
Logical Databases Structure
Making Fields OBligatory in Selection Screen
ABAP Views
Getting a Company Code for a Plant
Importing contents of Clipboard in SAP
Getting a Plant for a Material
Plant Material and Storage Location
SAP Production Planning Standard Reports
NetWeaver Components
Supported Databases and Operating Systems