Script: max_extents.sql

-- -----------------------------------------------------------------------------------
       -- Author       : Pavan Yennampelli
    -- Description  : Displays all tables and indexes nearing their MAX_EXTENTS setting.
    -- Requirements : Access to the DBA views.
    -- Call Syntax  : @max_extents
    -- 
    -- -----------------------------------------------------------------------------------
    SET LINESIZE 500
    SET PAGESIZE 1000
    SET VERIFY OFF

    PROMPT
    PROMPT Tables and Indexes nearing MAX_EXTENTS
    PROMPT **************************************
    SELECT e.owner,
           e.segment_type,
           Substr(e.segment_name, 1, 30) segment_name,
           Trunc(s.initial_extent/1024) "INITIAL K",
           Trunc(s.next_extent/1024) "NEXT K",
           s.max_extents,
           Count(*) as extents
    FROM   dba_extents e,
           dba_segments s
    WHERE  e.owner        = s.owner
    AND    e.segment_name = s.segment_name
    AND    e.owner        NOT IN ('SYS', 'SYSTEM')
    GROUP BY e.owner, e.segment_type, e.segment_name, s.initial_extent, s.next_extent, s.max_extents
    HAVING Count(*) > s.max_extents - 10
    ORDER BY e.owner, e.segment_type, Count(*) DESC;