system.indexes (page 291), system.js (page 291), and system.namespaces (page 291) collec- tions. The role provides read access by granting the following actions (page 419): 

## readWrite 

• collStats (page 423) 

• dbHash (page 423) 

• dbStats (page 423) 

• find (page 419) 

• killCursors (page 420) 

• listIndexes (page 423) 

• listCollections (page 423) 

Provides all the privileges of the read (page 405) role plus ability to modify data on all non -system collections and the system.js (page 291) collection. The role provides the following actions on those collections: 

## Database Administration Roles 

Every database includes the following database administration roles: 

## dbAdmin 

• collStats (page 423) 

• convertToCapped (page 422) 

• createCollection (page 419) 

• dbHash (page 423) 

• dbStats (page 423) 

• dropCollection (page 420) 

• createIndex (page 420) 

• dropIndex (page 422) 

• emptycapped (page 420) 

• find (page 419) 

• insert (page 419) 

• killCursors (page 420) 

• listIndexes (page 423) 

• listCollections (page 423) 

• remove (page 419) 

• renameCollectionSameDB (page 423) 

• update (page 419) 

Provides the following actions (page 419) on the database’s system.indexes (page 291), system.namespaces (page 291), and system.profile (page 291) collections: 

• collStats (page 423) 

• dbHash (page 423) 

