The database administrator determines if the performance of a database is satisfactory for the application environment. Some
               factors that influence database performance include:
            
            
            
               
               -  Indexes
 
               
               -  Optimizing the structure of SQL statements
 
               
               -  Locking (in multiuser versions)
 
               
               -  Clustering
 
               
               -  Database design
 
               
               -  Caching
 
               
               -  Storage organization, including use of storage groups (stogroups)