Here is the complete list of SAP Tables in Basis Components module. The most commonly used Tables are at the top of the list. Click on a sub-module to see the Tables specific to that module.

ABAP Workbench, Java IDE and Infrastructure Tables (BC-DWB)

Table Description
SFLIGHT Flight
SPFLI Flight schedule
SBOOK Single Flight Booking
T100 Messages
ENLFDIR Additional Attributes for Function Modules
DD03L Table Fields
MODSAPT SAP Enhancements - Short Texts
SCARR Airline
FLIGHTS HR Data
DD02L SAP Tables
SCUSTOM Flight customers
MODTEXT Enhancement Projects - Short Texts
MODACT Modifications
FUNCT Function Module Short Texts
MODSAP SAP Enhancements
..... ..................................

ABAP Runtime Environment Tables (BC-ABA)

Table Description
TSTC SAP Transaction Codes
TRDIR Generierte Tabelle zu einem View
TFDIR Function Module
TSTCT Transaction Code Texts
VARI ABAP/4: Variant storage (similar to INDX)
TVARVC Table of Variant Variables (Client-Specific)
TVARV Table of variables in selection criteria
APQI Queue info definition
SVERS SAP Release
VARID Variant directory
D020S System table D020S (screen sources)
APQD DATA DEFINITION Queue
SNAPT ABAP Runtime Error Texts
TRDIRT Title texts for programs in TRDIR
LDBS Directory and structure for logical databases
..... ..................................

Basis Services / Communication Interfaces Tables (BC-SRV)

Table Description
CDHDR Change document header
NAST Message Status
ADRC Addresses (Business Address Services)
TCURR Exchange Rates
BUT000 BP: General data I
STXH STXD SAPscript text file header
ADR6 E-Mail Addresses (Business Address Services)
SOOD SAPoffice: Object definition
STXL STXD SAPscript text file lines
T247 Month name and short text
T006 Units of Measurement
T005T Country Names
SOFM SAPoffice: Folder contents
SRGBTBREL Relationships in GOS Environment
RTAB Remote Submit: Programs for Generating Secondary Lists
..... ..................................

BW Service API Tables (BC-BW)

Table Description
ROOSOURCE Table Header for SAP BW OLTP Sources (Relevant From 2.0)
ROOSFIELD DataSource Fields
RSBASIDOC Assignment of source systems to BIW systems incl. IDoc type
RSADMIN Data import administration settings
ROOSPRMSC Control Parameter Per DataSource Channel
ROOSPRMSF Control Parameters Per DataSource
ROIDOCPRMS Control parameters for data transfer from the source system
ROOSGENDLM Generic Delta Management for DataSources (Client-Dep.)
RODELTAM BW Delta Process
ROOSGEN Generated Objects for OLTP Source
ROOHIECAT Additional Hierarchy Information for DS in Source System
RSSGTPDIR BW generation tool: Directory of the generated programs
ROOSPRMS Control Parameters Per DataSource
ROVERCUBE1 Transaction Data for Verification Scenarios
ROIS InfoSources in the source systems
..... ..................................

See the complete list of SAP BC BW Service API Tables (BC-BW)

Client/Server Technology Tables (BC-CST)

Table Description
REPOSRC Report Source Code
DDLOG Buffer Synchronization
DYNPSOURCE Contains Screen Source Information (Compressed)
VBDATA Update data
VBHDR Update header
HTTPURLLOC HTTP URL Location Exception Table
VBMOD Update function modules
D010SINF Generierte Tabelle zu einem View
REPOLOAD Report Loads (Loads and Line References)
REPOTEXT Report Texts
PATCHHIST History of Kernel Patch
DYNPLOAD Screen Loads
D010LINF Generated Table for View D010LINF
D345T Table for Long GUI Objects (Texts)
D347T GUI Title
..... ..................................

SAP NetWeaver Mobile - Use subcomponents Tables (BC-MOB)

Table Description
MEREP_207 Replica DB for Timed 2-Way Sync
MEREP_DELTABO Delta BO Queue Received from the Backend
BWAFMAPP WAF: Mapping Method Name Function Module
MEMAPPDEST RFC Destination for Mobile Engine Mapping
MEREP_PERSON Person (Sample Application)
INPUT_TAB ME - Synchronization Example (Storage of Input Data)
MEREP_10700 Mobile Sync Key Control Table
MEMSD_DEP Mobile Solution Descriptor: Dependencies
MEREP_ADDRESS Address (Sample Application)
MEREP_E_MAIL E-mail Addressa (Sample Application)
MEREP_504 Inbox/Outbox Data
BWAFAPPVER Version Management of WAF Applications
BWAFDEVTYP WAF: Device Classes for Controlling Installation
MDK_INVENTORY MDK Inventory Example - Data Table
MEREP_810 Common Table for Migration
..... ..................................

Upgrade - General Tables (BC-UPG)

Table Description
TODIR Object List for Switch
CVERS Release Status of Software Components in System
PAT03 Patch Directory
SHADOW Table for shadow system (during upgrade) exclusively
OCSCMPLOBJ Complete Information for Objects (with TADIR and Lock Key)
PAT01 Patch Status
NCVERS Table of Software Components in the Shadow Repository
PAT05 SAP Patch Manager Settings
AVERS_EXT Additional Information for Software components (in AVERS)
ADDONCHECK Relationship Between Enterprise Add-Ons + Check F. Modules
CVERS_REF Reference Table for CVERS Entries
UVERS Upgrade Information
CWBDEHEAD Delivery event (release/Support Package)
CWBNTCI Assignment of Note to correction instructions
CWBCMPNT Software components
..... ..................................

See the complete list of SAP BC Upgrade - General Tables (BC-UPG)

Internationalization (I18N) Tables (BC-I18)

Table Description
TCP0C Locale names for setting up C-libraries
TCPDB Code page used in this database
UMGSETTING Unicode conversion Tool: Settings
TCP00 SAP code page catalog
TCP0D Localizing the database
TCPSBUILD Iterative Structure of Code Page Segments
CFONT_INFO I18N: Cascading fonts and related info
CFUNICODE_BLOCK I18N: Cascading font, unicode area and its block
CFONT_CHAR_WIDTH I18N: Cascading font, unicode and its width for a font
CFONT_MAINLOG I18N:Cascading font, log table
CFONT_MAPPING I18N:Cascading font, mapping between SAPfont and other fonts
CFONT_TEMP_FILE I18N:cascading font, temp uploaded file
CCONTAINER Find Container C C
T002V Generierte Tabelle zu einem View
TCP00A Code Page Attributes
..... ..................................

Business Server Pages Tables (BC-BSP)

Table Description
BSAUTHORS Table of Authors
BSBOOK Bookshop - Table of Books
BSCATALOG Bookshop Catalog of All Available Books
BSPDEFPAG BSP: Table with Default Contents for BSP Pages
BSPARTICLE Goods Table BSP Bookshop
BSPBINCL BSP Generated Includes for BAPI Calls
BSPDETAIL BSP Bookshop Short Description Book Contents
BSPEJBCL EJB-ABAP Class
BSPEXTSKIN BSP extension skin table (mapping of BSP element classes)
AUCATEGORY Category masquerading list
AUODESC Auction Offer Description Cluter Database Table
AUOFFER Auction Offer Table
AUUSER User Table for the eRhine Auction House
CO2MAP Convert Information, Methods Include <-> ASP+ Source
CO2MAPINF Header Information for CO2MAP
..... ..................................

Security Tables (BC-SEC)

Table Description
USR02 Logon Data (Kernel-Side Use)
USR01 User master record (runtime data)
AGR_1016 Name of the activity group profile
USR21 Assign user name address key
AGR_PROF Profile name for role
AGR_CUSTOM Role Customizing objects
AGR_1016B Name of the activity group profile
AGR_USERS Assignment of roles to users
AGR_1251 Authorization data for the activity group
USR03 User address data
AGR_TCODES Assignment of roles to Tcodes
UST12 User master: Authorizations
USOBT_C Relation Transaction > Auth. Object (Customer)
USER_ADDR Generierte Tabelle zu einem View
AGR_HIERT Role menu texts
..... ..................................

See the complete list of SAP BC Security Tables (BC-SEC)

Change & Transport System Tables (BC-CTS)

Table Description
TADIR Directory of Repository Objects
RESP Project Number for SAP Partner
E070 Change & Transport System: Header of Requests/Tasks
T000 Clients
E071 Change & Transport System: Object Entries of Requests/Tasks
E071K Change & Transport System: Key Entries of Requests/Tasks
OBJS Object: Object List
TRBAT Communication Table for Transport Control
E07T Change & Transport System: Short Texts for Requests/Tasks
OBJT Description of Type T Objects (Separate Transaction)
TDEVC Packages
VRSD Version management: Directory table
TRESC Reserved Names for Customizing Tables/Objects
E070C CTS: Source/Target Client of Requests/Tasks
E070L CTS: Index for Assigning Numbers to Requests/Tasks
..... ..................................

Component Integration / Installation Windows Components Tables (BC-CI)

Table Description
MIMETYPES Table of MIME types
ECLSTCATS Categories of Redlining Stamps for 2D ECL Viewer
ECLUSERS Linking Users and Stamps of the ECL Viewer
WWWPARAMS Parameter settings for Web Reporting
WWWFUNC Release table for function modules in WebReporting
WWWDATA INDX-type table for storing WWW objects
WWWREPS Release table for reports in WebReporting
W3TREES Internet-enabled Reporting Trees (-> Transaction SERP)
IACVERSTAB Information about IAC versions
ECLSTAMPS Table of All Existing Stamps for ECL Viewer
WWWLANGRES Language resources for ITS objects

Database Interface, Database Platforms Tables (BC-DB)

Table Description
DBCON Description of Database Connections
DBTABLOG Log Records of Table Changes
SDBAH Header Table for DBA Logs
SDBAD Detail Table for DBA Logs
DBSTATC Configuration of Statistics Creation
MSSPROCS MS SQL Server: Stored Procedures
DBATL Central Task / Job Information
LCINIT Control Table for liveCache Initialization (Application)
DBAN Buffer for dban_state
SDBAC DBA Action Table
DBSTATS Control for Application Monitor and CBO: Setup
MSSSOURCE MS SQL Server: Stored Procedures Source Code
DBSTATHDB4 History of Table Sizes in the Database
DBAML Job / Job Step Utility View
IADB6 DB6: Table Type -> Index for DB2 Universal Database
..... ..................................

Services Tables (BC-XI-IBC-SRV)

Table Description
SSRVSERVICE XI: Services, Party Identifiers for a Service
SSRVCHANNEL XI Services: Channels
SSRVBINDING XI Services: Bindings
SDBINDING2 Service Directory: Table of Service Bindings
SDSERVICE2 Service Directory: Table of Services
SSRVPARTY XI: Services, Party Conversion
SSRVCHANNELATT XI Services: Channel Attributes
SAI_ADDRESS_V Generated Table for View SAI_ADDRESS_V
SSRVRTCONFIG

See the complete list of SAP BC Services Tables (BC-XI-IBC-SRV)

Virtual Machine Container Tables (BC-VMC)

Table Description
SVMCRT_MOD_TR_T VMC Runtime: Descriptions of Modules
SVMCRT_MOD_TRANS VMC Runtime: Transport Table for Modules
SVMCRT_RES_TRANS VMC Runtime: Transport Table for Resources
SVMCRT_FB_DEST VMC Fallback RFC Destinations
SVMCRT_BINDINGS VMC Runtime: Resources
SVMCRT_MODULES VMC Runtime: Modules
SVMCRT_CONF_NODE VMC Runtime: Configuration Node

Enterprise Service Infrastructure Tables (BC-ESI)

Table Description
SRDEBUG Remote Debugging Control
SRT_CFG_CLI_ASGN Assignment of HTTP Destination to WS Client RT Configuration
ESI_GUID_MEAL SMEAL GUID table
ESI_MAPPING ESI: External - Internal - Mapping for BO Nodes
ESI_MAPPING_DB ESI: External - Internal - Mapping for BO Nodes
SRT_LP Logical Ports
SRT_MONI_TS SOAP Monitoring Table for Last Timestamp
SRT_CFG_DEF_ASGN Assignment of Default LP Name to Proxy Class for WS Client
SRT_SYST_APPL Application Directory
SRT_MONILOG_CUST Customizing Table for SOAP Runtime Monitoring
SRT_CFG_SRV_ASGN Assignment of HTTP URL to Runtime Configuration Web Services
SRT_MONLOG_VIEW2 Generierte Tabelle zu einem View
SRT_SA_APPL SOAP Runtime Framework: SOAP Applications
SRT_REV_PROXY Support of Reverse Proxies
SRT_MONILOG_VIEW Generierte Tabelle zu einem View
..... ..................................

Musing Tools Tables (BC-MUS)

Table Description
POWL_QUERY Query meta data
POWL_TYPE Type definition
APB_LAUNCHPAD Launchpad
WDKCUSTKEYPARAM Values for customizing
POWL_ACT_QUERY query activation data
WDKAPPNAVVAR WDK: External navigation -> application specific variants
POWL_EASY_ACT Action definition for Easy-POWL Feeder
POWL_V_QUERY Generierte Tabelle zu einem View
WDKSCRIPTBDC Definition of Action Script sequences
FPB_PERSAPPL Personalization: Application Hierarchy
APB_LPD_TRANSLOG Transports change logs to lpd for updating user version
FPB_PERSAPPLFLD Personalization: Characteristics of Application Hierarchy
APB_LPD_CONTROL Launchpad: Role and Instance
KFM_KF_ADM_VAR Variants for Administrator Key Figures
KFM_KF_USR_VAR User Key Figures
..... ..................................

See the complete list of SAP BC Musing Tools Tables (BC-MUS)

Business Management Tables (BC-BMT)

Table Description
HRP1001 Infotype 1001 DB Table
HRP1000 Infotype 1000 DB Table
PLOGI Table Index HRP*
T77S0 System Table
SWETYPV Generierte Tabelle zu einem View
SWWWIHEAD Workflow Runtime: Header Table for All Work Item Types
HRUS_D2 User Substituted by User
SWEQADM Administration Data for Event Queue
PLOG Planning and Organization File
T777D Infotypes - Dialog/Database Assignment
T77UA User Authorizations
T77OMATTR General Attribute Maintenance: Definition of Attributes
SWWUSERWI Current Work Items Assigned to a User
SWETYPECOU Type Linkage Events - Receiver
T78NR Prefix Numbers for Standard Object Types
..... ..................................

Exchange Infrastructure Tables (BC-XI)

Table Description
SXMSPMAST Integration Engine: Message Queue (Master)
SXMSPLSRV XMS: Pipeline Service Specification
IDXNOALE Do not request IDoc Adapter exception list acknowledgement
SXMSCLUR XMB: Resources Cluster
SXMSCLUP XMB: Property Cluster
SXICACHE
IDXQUEUE IDoc Adapter Queue
SXMSPMAST2 XML Message Broker: Message Queue (Master) (Switch Table)
SXMSALERTLOGGER XI Alert Logs
IDXRCVPOR IDoc Adapter Link GUID with IDoc, Receiver and so on
SXMSCONFDF XMS: Integration Engine Configuration Parameters
SXMSPVERS Integration Engine: Message Version
SXMSPHIST XML Message Broker: History
SXMSPEMAS Integration Engine: Enhanced Message Queue (Master)
SXMSCONFVL XMS: Integration Engine Configuration Data
..... ..................................

Installation Tools Tables (BC-INS)

Table Description
INSTLOG SAP Installation
INSTCNTL SAP Installation: Control Table for Basis Customizing
TIMIG IMIG: Administration & Status
INSTCHECK Installation: Check Table for Installation Settings
INSTCHKTAB SAP Installation: Table for Check Routines for RRR
INSTCHKTBT SAP Installation: Texts for RRR Check Routines
INSTCNTLJ Background Jobs During the Installation
INSTCNTLT SAP Installation: Texts for Control Table
INSTPARA SAP Installation: Parameters
STC_CUST_PHASE Automation Phases
STC_CUST_PHASET Automation Phase Text Table
STC_SCN_HDR Task List Header Data
STC_SCN_HDR_T Task List Description
STC_SCN_TASKS Tasks of a Task List

Routing Tables (BC-XI-IBC-ROU)

Table Description
TRD_RELATION XI: Receiver Determination Relation Key
TRD_RULE XI: Rcvr Det. Rule (Receiver Extractors & Condition)

See the complete list of SAP BC Routing Tables (BC-XI-IBC-ROU)

BC General Tables

Table Description
SFLIGHT Flight
SPFLI Flight schedule
TADIR Directory of Repository Objects
CDHDR Change document header
TSTC SAP Transaction Codes
NAST Message Status
ADRC Addresses (Business Address Services)
TRDIR Generierte Tabelle zu einem View
MONI Monitor table MONI
SBOOK Single Flight Booking
USR02 Logon Data (Kernel-Side Use)
HRP1001 Infotype 1001 DB Table
TFDIR Function Module
T100 Messages
TCURR Exchange Rates
..... ..................................

See the complete list of SAP BC General Tables