sp_help
Display all objects, the owner of the object and object type

sp_help object ‘[store procedure name|table name|view name]’
Displays code for store procedures, column(s) in a table/view

sp_helpdb
Display all databases, it’s size, owner, dbid, created and status and compatibility level

sp_helpindex ‘table name’
Display indexes on a table, index description (clustered, non-clustered), columns