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A schema is just like a database folder.The relavant tabels are going to group together according to the particular schema definition.


There are 3 types of schemas.


  1. 1. User Defined Schema
  2. 2. System Defined Schema
  3. 3. SLT Derived Schema 



User Defined Schema is created by user (DBA or System Administrator)


System Defined Schema Where all the list of tables views going to be associated.


There are 5


  1. a.  _SYS_BI
  2. b. _SYS_BIC
  3. c. _SYS_REPO
  5. e. _SYS_XS-ENGINE


SLT Derived Schema :When we configure the SLT first time(by administrator) they are going to give schema name-->meaning a configure name and that configure name that is provided or configure out side the HANA in the source system or in the SLT replication server.That particular name is container of list of the tables that need to be pulled from the source system. 


SYS_BIThis schema stores all the metadata of created column Views.



_SYS_BIC: Whenever we activate HANA Models, its going to be stored hear in _SYS_BIC System standard schema


_SYS_REPO: Whatever the objects are there in the system is available in repository


_SYS_STATISTICS: All the system configurations and parameters.


_SYS_XS: XS stands for XML Server engine. All the 3rd party Web Services can Connect & Communicate.




Venkat Naveen Kumar.



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