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create /alter/ drop/ truncate
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select / insert /delete /update
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commit / rollback / savepoint
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select dname,ename
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where a.deptno = b.deptno;
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select avg(sal) from emp );
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-- Author : LIUBING
-- Created : 2009-10-28 15:01:30
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select owner,segment_name,segment_type
from dba_segments
where tablespace_name='<name of tablespace>'
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select file_name, tablespace_name
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create table test(
xh int identity(1,2) primary key,
name varchar(20)
);
insert into test(name) values ('mike');
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create sequence seq1 start with 7935;
create or replace function insert ......