ADCP - Person/Address assignment (central address administration)

ADIRACCESS - Table to store keys for TADIR objects

ADR2 - Telephone numbers (central address admin.)

ADRP - Persons (central address administration)

APQD - DATA DEFINITION Queue

APQI - Queue info definition

D010SINF - ABAP- Information about ABAP program source code

E071 - Change and Transport System- Object Entries of Requests/Tasks

E07T - Change and Transport System- Short Texts for Requests/Tasks

ENLFDIR - Additional Attributes for Function Modules

INDX - System table

INDX NAST - Message Status

STXH STXD - SAPscript text file header

T005 - Countries

T005S - Taxes- Region (Province) Key

T005U - Taxes- Region Key- Texts T006 Units of Measurement

T015M - Names of the months

T247 - Month name and short text

T777A- Building Addresses

TADIR - Directory of Repository Objects

TBTCO - Job status overview table

TBTCP - Batch job step overview

TFDIR - Function Module

TFTIT - Function Module Short Text

TSP03L - Spool- Long device names

TSTC - SAP Transaction Codes

TSTCT - Transaction Code Texts

TUTYP - User Types in Current Price List in SAP System

TUZUS - Special versions

TVARV - Table of variables in selection criteria

TVDIR - View Directory

US930 - Data Relevant to Measurement for User Master Record

USR01 - User master record (runtime data)

USR02 - Logon data

USR04 - User master authorizations

USR06 - Additional Data per User

USR14 - Surchargeable Language Versions per User

USR21 - Assign user name address key

ARCH_OBJ - Objects for archiving and reorganization

BTCUED - Description of user event IDs for background processing

BTXSUPB - BSI- Upgrade-Information

CCCFLOW - Client Copy Control Flow

DBSTATC DB - Optimizer Control (Statistics Creation)

DEVACCESS - Table for development users

DEVL OBSOLETE - Do not use (See TCETRAL)

E070 - Change and Transport System- Header of Requests/Tasks

E070L - CTS- Index for Assigning Numbers to Requests/Tasks

INSTVERS - Documentation for installation Status and History

PAT03 - Patch Directory

SDBAC - DBA Action Table

T100 - Messages

TAPLT - Program Application Long Texts

TASYS OBSOLETE - Do not use, see TCEDELI

TDEVC - Development Classes

TEMSE - Temp Sequential table.

TLOCK - Change and Transport System- Lock Table

TNAPR - Processing programs for output. Can be very handy to find the print program for a SAPScript.

TNAST - Printed output control table

TPFET - Table of profile parameters

TPFHT - Profile header, administration data for profiles in DB

TPROT - Table contains all DD tables to be logged

TRBAT - Communication Table for Transport Control

TRDIRT - Title texts for programs in TRDIR

TRESN - Table of Naming Conventions in ABAP Workbench

TRJOB - Job ID for Coordinating Batch-ABAP/UNIX for Transports

TSP03C - Spool- Device Description Extension

TST03 - TemSe data

TSYST OBSOLETE - Do not use (see TCESYST)

TWSYS OBSOLETE - Do not use (See TCETRAL)

USOBT - Relation transaction - authorization object

USR03 - User address data

USR05 - User Master Parameter ID

USR12 - User master authorization values

USR40 - Table for illegal passwords

USR41 - User master- Additional data

UST04 - User masters

VARIT - Variant texts

VARID - Variant directory

D010TAB - Table for Use Report---Tables

DD02L - SAP tables

DD02T - R/3 DD- SAP table texts

DD03L - Table Fields

DD03T - DD- Texts for fields (language dependent)

EDIDC - IDOC Control Records

EDIDOT - Short description of IDoc types

EDID2 - IDOC segments (version 3.1)

EDID4 - IDOC segments (version 4.6)

EDSEA - EDI- Table of all segments of current release

VRSX2 - Central Table for Version Management (Report Source)

TSE05 - Can add parameters to the INSERT COMMAND (IC).

CDPOS - Change document items

CDHDR - Change document header

T529A - governs the foreground sequence of infotypes.

T588Z - governs the dynamic event processing that will only take place during online user inputs.

T588M - Infotype Screen Control