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SQL> analyze table nanu.ownersclub validate structure cascade;
Table analyzed.
Å×ÀÌºí¿¡ ´ëÇØ ¿¬°áµÇ°Å³ª ÀÌÀüµÈ Çà ¼ö¿Í high water mark±îÁöÀÇ ºí·Ï ¼ö, ±×¸®°í high water mark À§ÀÇ ºí·Ï ¼ö¸¦ ¾Ë¾Æ ³»·Á¸é ´ÙÀ½ ÁúÀǹ®À» »ç¿ëÇϽʽÿÀ
SQL> select blocks as HWM,empty_blocks,chain_cnt as "Chained Blocks"
from dba_tables
where owner='NANU'
and table_name='OWNERSCLUB';
HWM EMPTY_BLOCKS Chained Blocks
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797 98 60
ANALYZE ¸í·ÉÀ» »ç¿ëÇؾ߸¸ °»½ÅÇÒ ¼ö ÀÖ´Â Ä÷³µéÀÔ´Ï´Ù
ÇÒ´çµÈ °ø°£ ºÐÆ÷
ÀͽºÅÙÆ® ¼ö, À§Ä¡, ±×¸®°í ±× Å©±â´Â DBA_EXTENTS¸¦ ÁúÀÇÇÏ¿© ¾òÀ» ¼ö ÀÖ½À´Ï´Ù. ¾Æ·¡ÀÇ ¿¹´Â µ¥ÀÌÅͺ£À̽º Å×À̺íÀÌ »ç¿ëÇÑ °¢ ÆÄÀÏÀÇ ÀͽºÅÙÆ®¿Í ÃÑ ºí·ÏÀÇ ¼ö¸¦ º¸¿© ÁÝ´Ï´Ù
SQL> select file_id, count(*) as extents,sum(blocks) as blocks
2 from dba_extents
3 where owner='NANU'
4 and segment_name='OWNERSCLUB'
5 group by file_id;
FILE_ID EXTENTS BLOCKS
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11 22 896
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