Here is a list of important and frequently used ABAP transaction codes ( Tcodes ). Transaction codes are arranged & sorted according to the functionality.
ABAP Help
- ABAPDOCU : Transaction code To display Example Library
- ABAPHELP : To display ABAP Keyword Documentation
- SEARCH_SAP_MENU : For searching the the standard SAP menu for transaction codes or keywords.
- SPRO : SAP IMG.
- SE49 : Get the tables used by a transaction code
- SMEN : To Display the menu path for a transaction
Transaction codes for Data Dictionary
- SE11 : Data dictionary maintenance
- SE12 : Data dictionary display
- SE13 : Access tables in ABAP/4 Dictionary
- SE14 : Utilities for Dictionary Tables
- SE15 : Repository Information System
- SE16 : Old Table Browser
- SE16N : New Table Browser
- SE17 : General Table Display
- SM30, SM31, SM32 : table maintenance.
ABAP Reports
- SA38 : Execute an ABAP Program
- SE24 : Class Builder
- SE30 : Runtime Analysis
- SE32 : Text Element Maintenance
- SE35 : Dialog Modules
- SE36 : Logical Databases
- SE37 : Function Modules
- SE38 : Tcode for ABAP Editor
- SE39 : Split screen Editor
- SE41, SE51, SE71 : Menu & screen & form Painter respectively
- ST22 : Transaction code for ABAP Dump analysis
SAPscript
- SE71 : SAPscript layout set
- SE71 : SAPScript Layouts Create/Change
- SE72 : SAPscript styles
- SE73 : SAPscript font maintenance (revised)
- SE74 : SAPscript format conversion
- SE75 : SAPscript Settings
- SE76 : SAPscript Translation Layout Sets
- SE77 : SAPscript Translation Styles
Batch Input Tcodes
- SM35 : View Batch Input Sessions
- SM37 : View background jobs
- SM51 : Delete Jobs
ABAP Query
- SQ00, SQ01 : Start and maintain ABAP/4 Query respectively
- SQ02, SQ03 : Maintain Funct. Areas and User Groups respectively
- SQ07 : ABAP/4 Query: Language Comparison
- ST05 : Trace SQL Database Requests.
IDOC Transaction Codes
- WEDI : Idoc & EDI basis
- WE31 : Creation of segment
- WE30 : Creation of idoc type
- WE81 : Creation of Message type.
- WE02 : Displaying idoc
- WE07 : Statistics of Idoc
- SALE : Transaction code for ALE customization
Other tools
- LSMW : Legacy System Migration Workbench
- SMARTFORMS : Transaction code for Smartforms.
- ST01: SAP System Trace
- SM21 : System log
- SHDB : Transaction Recorder
- SE01 : Transport Organizer
- SCAT : Computer aided test tool
- SE09 : Tcode for Workbench Organizer
- SMOD/CMOD : Customer enhancement.
Also Read : ABAP Tutorial Main Page