This blog contains some tips and tricks regarding SAP transactions.
Transaction tables
Transaction codes are defined in table TSTC.
Transaction code translations are defined in table TSTCT.
Values for transaction code authorizations are defined in table TSTCA.
Transaction code maintenance
Transactions are maintained via transaction SE93.
Transaction variants
Variants for transactions can be defined. Read more in this blog.
Transaction locking
Transactions can be locked for usage. Read more in this blog.
Transaction usage
For transaction usage there are 2 main sources:
S4HANA obsolete transactions
S4HANA obsolete transactions are described in OSS note 3118651 – How to identify, which Apps/Transaction codes are obsolete or replaced in SAP S/4 HANA, which refers to upgrade analysis tool described in this blog.