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[code=SQL]SQL> select blocks from all_tables where table_name='DEPT';
BLOCKS
----------
5
SQL> show user
USER Ϊ "SCOTT"
SQL> drop table t2;
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SQL> create table t2(id number);
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SQL> begin
2 dbms_stats.gather_table_stats(ownname=>'SCOTT',tabname=>'T2');
3 end;
4 /
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SQL> select blocks from all_tables where table_name='T2';
BLOCKS
----------
0
SQL> insert into t2 values(1);
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SQL> commit;
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SQL> select blocks from all_tables where table_name='T2';
BLOCKS
----------
0
SQL> begin
2 dbms_stats.gather_table_stats(ownname=>'SCOTT',tabname=>'T2');
3 end;
4 /
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SQL> select blocks from all_tables where table_name='T2';
BLOCKS
----------
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