How to check the active database parameters in SAP

Go to transaction DB02 -->Additional Functions --> Database parameters

 There are 3 sections available 

1. Active parameters: To view the active database parameters

2. Parameters history --> Show parameters history --> To check the database parameters that are changed in the recent past 

·         Provide the date under the field 'Enter date' to view the database parameter changes from the selected date 

3. SPFILE: To view the SPFILE parameters