TABLES IN SAP BASIS

User administration
USR01                          User master
USR02                          Logon data
USR03                          User address data
USR04                          User master authorizations
USR11                          User Master Texts for Profiles (USR10)
UST12                          User master: Authorizations
USR12                          User master authorization values
USR13                          Short Texts for Authorizations
USR40                          Prohibited passwords
TOBJ                            Objects
TOBC                           Authorization Object Classes
TPRPROF                     Profile Name for Activity Group
DEVACCESS                Table for development user
Data dictionary tables
DD02L                          Tables in SAP
DD02T                          Tables description
DD03L                          Field names in SAP
DD03T                          Field description in SAP
Workbench
TADIR                           Directory of R/3 Repository Objects
TRDIR                           System table TRDIR
TFDIR                           Function Module
TLIBG                           Person responsible for function class
TLIBT                            Function Group Short Texts
TFTIT                            Function Module Short Text
TSTC                            Transaction codes in SAP
TSTCT                          Transaction codes texts
T100                             Message text (vb e000)
VARID                          Variant data
D020T                           Screen texts
TDEVC                         Development class
TDEVCT                       Texts for development classes
E070                             Transport request
E071                             Transport request/Object key
Administration
Batch input queue
APQD                           DATA DEFINITION Queue
APQI                            Queue info definition
Job processing
TBTCO                          Job status overview table
TBTCP                          Batch job step overview
Spool
TSP02                          Spool: Print requests
Runtime errors
SNAP                           Runtime errors
Message control
TNAPR                         Processing programs for output
NAST                            Message status
NACH                           Printer determination
EDI
EDIDC                          Control record
EDIDD                          Data record
EDID2                          Data record 3.0 Version
EDIDS                          EDI status record
EDPAR                         Convert External <  > Internal Partner Number
EDPVW                        EDI partner types
EDPI1                           EDI partner profile inbound
EDPO1/2/3                   EDI partner profile outbound
Change documents
CDHDR                                    Change document header
CDPOS                                    Change document positionen
JCDS                           Change Documents for System/User Statuses (Table JEST)
Reporting tree table
SERPTREE                   Reporting: tree structure
SREPOVARI                 Reporting: tree/program
LIS structure/control tables
TMC4                            Global Control Elements: LIS Info Structure