	Table	Columns	Description
1	TJKWE	15	IS-M/SD: WBZ, Order Data for Inbound Processing
2	RSADMINC	96	Customizing Table General BW
3	BBP_PD_XML	8	Table for Persistent Class CL_XML_PPF_BBP
4	/OTX/RM_TELIB	24	Enterprise Library Server Settings
5	UMV_TR125	9	Obsolete:Val.Driver Tree:Assign.Web Reports to Value Drivers
6	/ISDFPS/CHVW_E	34	External Batch Where-Used List
7	FIQAC_PART	8	Reporting Parameters Text for Company Code ( Qatar)
8	/1RA/0SD010MI	170	Items for Class SD01 - Raw Data
9	BSEG	345	Accounting Document Segment
10	FMARCPAR	4	Parallelization of FMARC_BATCH

	Table	Columns	Description
1	OITM	299	Items
2	OINV	386	A/R Invoice
3	OCRD	332	Business Partner
4	ORDR	386	Sales Order
5	OJDT	100	Journal Entry
6	INV1	265	A/R Invoice - Rows
7	OPCH	386	A/P Invoice
8	JDT1	124	Journal Entry - Rows
9	OPOR	386	Purchase Order
10	OVTG	52	Tax Definition

	Table	Columns	Description
1	OITM	249	Items
2	ORCT	154	Incoming Payment
3	OINV	268	A/R Invoice
4	OIVL	77	Whse Journal
5	OVPM	154	Outgoing Payments
6	OPCH	268	A/P Invoice
7	JDT1	110	Journal Entry - Rows
8	OOCR	9	Loading Factors
9	OINM	101	Whse Journal
10	OSRN	20	Serial Numbers Master Data

19 columns | ERP 6.0 | KEYLEN

	Table	Table Description	Column#	Alias	Column Description	Data Type	Length	Decimals
1	DDREPLINTABHD	DD: Nametab Header Structure (for Temporary Storage)	12	KEYLEN	Length of Table Key in Bytes	varbinary	2	0
2	DDXTT_CONV_UC	Nametab Headerstruktur für verzögertes Schreiben	11	KEYLEN	Länge des Tabellenschlüssels in Bytes	varbinary	2	0
3	DDYTT_CONV_UC	Used during UCMIG within DMO of SUM	11	KEYLEN	Length of Table Key in Bytes	varbinary	2	0
4	IUUC_DD_SYNC_NTH	System synchronization: Nametab header fields	15	KEYLEN	Length of Table Key in Bytes	varbinary	2	0
TOPActivation Program, Conversion Program, DB Utility, MC, SPDD
5	DDXTT	Nametab header structure for delayed writing	11	KEYLEN	Length of Table Key in Bytes	varbinary	2	0
TOPCross-Application Components
6	SPRTL1	Assignment of Business Objects to Data Elements	10	KEYLEN	Numerical Value, 2 Characters	nvarchar	2	0
7	SPRTL1C	Assignment of Business Objects to Data Elements (Runtime)	11	KEYLEN	Numerical Value, 2 Characters	nvarchar	2	0
TOPLogistics
8	TCNVL	"Variable overviews: List versions"	8	KEYLEN	Variable overviews: Line length of the key column(s)	nvarchar	3	0
TOPSecure Store and Forward
9	SSFVARGS	SSF Applications with Versioned Keys	5	KEYLEN	SSF Key Length	int	10	0
TOPTransport Organizer
10	VRSD	Version management: Directory table	15	KEYLEN	Key length of table in version data base	smallint	5	0
TOPUpgrade - General
11	DDMTT	Nametab header structure for delayed writing	11	KEYLEN	Length of Table Key in Bytes	varbinary	2	0
12	DDMTT_ISU	Nametab header structure for delayed writing	11	KEYLEN	Length of Table Key in Bytes	varbinary	2	0
13	DDMTT_SAV	Nametab Headerstruktur für verzögertes Schreiben	11	KEYLEN	Länge des Tabellenschlüssels in Bytes	varbinary	2	0
14	DDXTT_SAV	Nametab Headerstruktur für verzögertes Schreiben	11	KEYLEN	Länge des Tabellenschlüssels in Bytes	varbinary	2	0
15	DDXTT_SHD	Nametab Headerstruktur für verzögertes Schreiben	11	KEYLEN	Länge des Tabellenschlüssels in Bytes	varbinary	2	0
16	DDXTT_STD	Nametab Headerstruktur für verzögertes Schreiben	11	KEYLEN	Länge des Tabellenschlüssels in Bytes	varbinary	2	0
17	DDYTT	Substitution Nametab (shadow-shadow-nametab for DDXTT)	13	KEYLEN	Length of Table Key in Bytes	varbinary	2	0
TOPUpgrade Tools
18	ICNV30L	Nametabs for Incremental Conversion	12	KEYLEN		varbinary	2	0
TOPUser and Authorization Management
19	USARC_CDRED	Reloaded Archived Change Documents for User Data	10	KEYLEN	Table key length	nvarchar	4	0

SAP TABLES

SAP Tables - SAP Business One/ERP Table Definition reference

sap.erpref.com

SAP TABLESv1

ERP 6.0: Top 10 requests

B1 9.2: Top 10 requests

B1 8.8: Top 10 requests

19 columns | ERP 6.0 | KEYLEN