Find out big tables in SAP system, you can
compress table and index using following method.
BRTOOLS should be 7.20 (example for BI system table “/BIC/AAS0SDO15500”)
You can see compression enabled or not for Table
You can check the size again for table
Hit command
Choose option (More you can find out SAP Note 1464156)
I am doing online
ctabind - compress tables and indexes
Time taken online 10minutes
Size after compression
Table status for compression enable