Here is the complete list of SAP Tables in AP 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.

Payment Transactions Tables (FI-AP-AP-PT)

Table Description
REGUH Settlement data from payment program
V_T001 Generierte Tabelle zu einem View
T077D Customer account groups
REGUV Control records for the payment program
REGUS Acounts blocked by payment proposal
T077K Vendor account groups
CRNUM Payment cards: Card master record
CRACC Payment Cards: Account Assignments in Card Master Record
REGUA Change of payment proposals: user and time
TCRIN Payment Cards: Card Types
T045T User ID for bank transactions
TFAGS Definition of FI clearing rules
TFAGT Texts on FI clearing rules
TCRCOBLFL Payment Cards: Field Control
TCRINT Payment Cards: Texts for Card Types
..... ..................................

Basic Functions Tables (FI-AP-AP)

Table Description
REGUH Settlement data from payment program
WITH_ITEM Witholding tax info per W/tax type and FI line item
LFBW Vendor master record (withholding tax types) X
V_T001 Generierte Tabelle zu einem View
T059Z Withholding tax code (enhanced functions)
T077D Customer account groups
REGUV Control records for the payment program
REGUS Acounts blocked by payment proposal
T077K Vendor account groups
T059ZT Text table: Withholding tax codes
KNBW Customer master record (withholding tax types) X
CRNUM Payment cards: Card master record
CRACC Payment Cards: Account Assignments in Card Master Record
T059U Text Table: Withholding Tax Types
T059P Withholding tax types
..... ..................................

See the complete list of SAP AP Basic Functions Tables (FI-AP-AP)

Appraisal, Valuation, and Survey Tool Tables (CA-GTF-AP-PM)

Table Description
HRHAP Appraisal Document
HRHAP_OTHERS Appraisal Document: Additional Participant Assignment
HRHAP_APPEE Appraisal Document: Appraisee Assignment
HRHAP_P_APPER Appraisal Document: Part Appraiser Assignment
T77HAP_EX Appraisal Document Enhancement
HRHAP_BASIC Appraisal Document: Basic Element Data
HRHAP_APPER Appraisal Document: Appraiser Assignment
HRHAP_FINAL Appraisal Document: Cell Values of Final Appraisal Column
T77HAP_FLT_EXI Filter Value for BAdI HRHAP00_<EXIT>
T77HAP Development: Add-On for Appraisal Documents
HRHAP_T Appraisal Document Name
T77HAP_EX_AR Enhancement Area for Appraisal Documents
HRHAP_ACT_LOG Appraisal Document: Action Log - Additional Data
HRP5025 DB Table for Infotype 5025
HRHAP_OBJECT Appraisal Document: Cell Values of Objective Columns
..... ..................................

Integrated Product and Process Engineering Tables (AP-PPE)

Table Description
CUCU Dependency Source Code Base: Source text: Customer-Specific
CUICONTEXT Control Table for Context in the iPPE Workbench
CGICOMPONENT iPPE Workbench Control Table - Navigation Tree
PRGEN GEN Relationships - Relationships Table
PRPVR Relationship Between Variants: Identification and Attributes
PNODID iPPE Node: Identification
POSVID iPPE Variant: Identification
PRTST Test Relationships - Relationships Table
PALTID iPPE Alternative: Time-Independent ID and Attributes
CPNACT Definition of Routing Types for Objects of iPPE Process Str.
CACTPLN Definition of Routing Types for Objects in iPPE Process Str.
CLIACTCHECK_DEFT Text Tables for Routing Types
MODMIXH Model Mix Header Data
MODMIXP Model Mix Items
PNODTX iPPE Node: Texts
..... ..................................

Appraisal Systems Tables (CA-GTF-AP-AP)

Table Description
HRP1045 DB Table for Infotype 1045
HRT1045 Infotype 1045 Table Section
HRP1048 DB Table for Infotype 1048
HRP1043 DB Table for Infotype 1043
HRP1047 DB Table for Infotype 1047
HRP1044 DB Table for Infotype 1044
HRPAD47 PAD47 Additional Data
T77BF PA-PD: Form of Appraisal
V_T77BG Generated Table for View V_T77BG
HRT1048 Table Section of Infotype 1048
HRT1043 Table Section of Infotype 1043
HRT1047 Table Section of Infotype 1047
T77BG PA-PD: Form of Appraisal (Possible Relationships)
T77TF PA-PD: Form of Appraisal (Name)
T77FUNC Functions
..... ..................................

Office Suite Program Tables (XAP-OSP)

Table Description
SOSP_T_WF_INFO Table to Maintain WF info for Applications
SOSP_V_WF_INFO Generierte Tabelle zu einem View
SOSP_T_WF_ID Table to Maintain WF ID for Applications
SOSP_T_APPL_INFO Application / Scenario Information
SOSP_V_APPL_CH Generierte Tabelle zu einem View
SOSP_V_MAP_INFO Generated Table for View SOSP_V_MAP_INFO
SOSP_V_MAP_OBJEC Generated Table for View SOSP_V_MAP_OBJEC
SOSP_T_APPL_CH Table to maintain API info for Applications
OSPW_V_MAP_INFO Generated Table for View OSPW_V_MAP_INFO
SOSP_T_APPL_TEXT Application Description
SOSP_T_BKTWFHIST Table for maintaining the step history
SOSP_T_BKTWIHIST Table for maintaining the step history
SOSP_T_BKT_PERFM Book Keeping table for Performance
SOSP_T_MAPOBJ_T Map Object Description
SOSP_T_MAP_INFO Mapping Information
..... ..................................

Classification System (New) Tables (AP-CME)

Table Description
CME_ST_FORMAT CME Data Type: Format Details
COMM_IL_DTYPE Engineering Change Management: Change Graph
COMM_IL_SCPCHR Definition Scope -> Characteristic
CHARACTER_DMLDB Characteristic
CHARACTER_DMLH Characteristic
CHARACTERTEXT DML Text Object
CHARACTERTEXTH DML Text Object
CME_CHAR_DSCOPE Char. Transfer: Assignment of Char. to Definition Scope
CME_DATATYPE CME Elementary Data Types
CME_DATATYP_TEXT CME Elementary Data Types, Descriptive Texts
CME_FORMAT CME: Formats for Basic Data Types
CME_FORMAT_TEXT CME: Formats for Basic Data Types, Descriptive Texts
CME_PATTERN_SIGN CME Data Type: Template Characters
CME_ST_CHARATR Characteristic: Global Attributes
CME_ST_CHARATRH Characteristic: Global Attributes
..... ..................................

Product Configurator Tables (AP-CFG)

Table Description
COMM_CFGMAT Basic Data for Materials
TCUIBSPECIAL CUIB: Object Types with Special Handling
TCUXCONVOBJECT Conversion Services for Configuration Objects
TCUX_PRODTYPE Conversion of Product Types for Configuration
COMM_CFGKB Runtime Version of SCE Knowledge Base
COMM_CFGLNGTXT Long Texts for Different Objects
IBINVAL_SEL Generated Table for View IBINVAL_SEL
COMM_CFGOCLASS Basic Data for OO-Classes
COMM_CFGDBVERS Database Version (upgrade information)
IBINVAL_SEL_F Generierte Tabelle zu einem View
COMM_CFGCLFAC Facets for Characteristics of Classes
COMM_CFGCLNHIER Numeric Characteristic Values Hierarchy
COMM_CFGCLSHIER Symbolic Characteristic Values Hierarchy
COMM_CFGNHIER Numeric Characteristic Values Hierarchy
COMM_CFGSHIER Symbolic Characteristic Values Hierarchy
..... ..................................

Transaction Tax Engine Tables (AP-TTE)

Table Description
TTEC_COUNTRIES_T Country Text Table
TTEC_CURR Tax Currencies per Country
TTEC_COUNTRY Country to Community Assignment
TTEC_SYS_REG2 TTE Calling System Registry
TTEC_COUNTRIES Country codes (2 char ISO codes)

Master Data Tables (AP-MD)

Table Description
COMM_PRODUCT Product
COMM_HIERARCHY Hierarchy
COMM_CATEGORY Category
IBIN IB: IBase Components - Condition
IBIB IB: Installed Base/IBase
CRMC_BUT_CALL_FU Determining Function Modules for Data Exchange: BP
COMM_PR_UNIT Product Unit of Measurement
BUT053 BP Relationship: Company Interest
COMM_CLEAR_TARG Data Cleansing: Target Object List
BUTP_XMAP Mapping table between XML and BAPI structures
BUT_DNC BP: Telephone Numbers of the "Do Not Call" List
BUT0VP BP: Business Partner Assignment and Links
BUT_DNC_OLD BP: Telephone Numbers of the "Do Not Call" List
CCARD Payment Card Master
BC001 Business Partner: Assign Vendor - Partner
..... ..................................

See the complete list of SAP AP Master Data Tables (AP-MD)