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Apress.Expert.Oracle.Database.Architecture.9i.and.10g.Programming.Techniques.and.Solutions.Sep.2005

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CHAPTER 4 ■ MEMORY STRUCTURES 143<br />

8 where data_object_id = X.OBJ )<br />

9 end what<br />

10 from (<br />

11 select tch, file#, dbablk, obj<br />

12 from x$bh<br />

13 where state 0<br />

14 order by tch desc<br />

15 ) x<br />

16 where rownum 1;<br />

DATA_OBJECT_ID COUNT(*)<br />

-------------- ----------<br />

2 17<br />

6 3<br />

8 3<br />

10 3<br />

29 3<br />

161 3<br />

200 3<br />

210 2

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