Table contain all Tcode

- TSTC table will contain all the Tcodes and
- TSTCT table will contain all the Tcodes with Texts.

Various Important SAP Basis T-Code
1)   SU01  User Maintainence
2)   SCC4  Client Overview ( Create , Quick Delete , Modify )
3)   SCC5  Deletes a client completely with tables & other factors
4)   SCCL  Local Client Copy
5)   SCC9  Remote Client Copy
6)   SCC3  Client Copy log Analysis
7)   DB02   Storage Management & Database Performance
8)   DB12  SAP Backup Logs
9)   DB14  Database Monitor
10) SM12  Lock Entries
11) SM21  System Logs
12) SM36  Background Job Scheduling
13) SM37  Background Job Monitoring
14) SM31  Table Maintenance
15) SM50  Process Overview
16) ST22    ABAP Dumps
17) ST02   Buffer Analysis
18) ST03   Workflow Analysis
19) RZ04   Operation Mode
20) SE09   Transport Organizer
21) SCC1  Copy as per Transport Request
22) STMS  Transport Management System