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跳转到相应的语句，然后执行该语句和后面所有语句

);

 c;

);
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sql中的sql和rowcount属性：sql代表最近执行的sql语句，rowcount代表最近执行的sql语句影响的行数

 (*)  vCount  dept2;
 dept2  dname = dname ||   deptno = vDeptno;
  dept2  deptno = 40;
 dept2  *  dept;
 || vCount);
sql% || );
;
sql执行sql语句
  ;
;
sql，把sql语句放到变量中并传递参数
sqlstr varchar2(100);

sqlstr := ;
  sqlstr  ,;
 *  scott.dept;
sql,把查询结果赋值给变量

sqlstr varchar2(100);
sqlstr := ;
  sqlstr  dept_row_data;
 语句
 *  emp;
 sal  vSal  emp  empno = 7566;
 (vSal < 1200) 
);

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 ;
;  
 (i < 1);
 loop;
 i < 11 loop
 循环
 i  1..10 loop
 loop;
 i  reverse 1..10 loop
;