在PLSQL中写了一个语句:select * into A from B
运行时提示:错误00905,缺少关键字
请问是什么原因???谢谢
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select * into A from B
A需要定义。。。。
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那是MS-SQL的写法,ORACLE是
create table b as select * from a
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有点奇怪
如果A没定义 不会报 缺少关键字 而是报A 未定义
如果列数多 也不会报缺少关键字 而是报列数过多
没遇到过 期待
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- SQL code
--select * into A from B--*代表b表中的所有行的记录,即多条记录--如果你要获取统计记录(单条记录),可以如下写:SQL> set serveroutput on;SQL> declare 2 x number(2); 3 begin 4 select count(*) into x 5 from emp 6 where deptno=30; 7 8 dbms_output.put_line('The number of department 30 employees are :'||x); 9 end; 10 /The number of department 30 employees are :6PL/SQL procedure successfully completed-------------------如果你想获得多条记录,可以用游标返回多条记录:SQL> declare 2 cursor x is 3 select ename,deptno,job,sal 4 from emp; 5 begin 6 for v_emp in x 7 loop 8 dbms_output.put_line( 9 'ename= '||v_emp.ename|| 10 ', deptno= '||v_emp.deptno|| 11 ', job= '||v_emp.job|| 12 ', sal= '||v_emp.sal 13 ); 14 end loop; 15 end; 16 /ename= SMITH, deptno= 20, job= CLERK, sal= 800ename= ALLEN, deptno= 30, job= SALESMAN, sal= 1600ename= WARD, deptno= 30, job= SALESMAN, sal= 1250ename= JONES, deptno= 20, job= MANAGER, sal= 2975ename= MARTIN, deptno= 30, job= SALESMAN, sal= 1250ename= BLAKE, deptno= 30, job= MANAGER, sal= 2850ename= CLARK, deptno= 10, job= MANAGER, sal= 2450ename= SCOTT, deptno= 20, job= ANALYST, sal= 3100ename= KING, deptno= 10, job= PRESIDENT, sal= 5000ename= TURNER, deptno= 30, job= SALESMAN, sal= 1500ename= ADAMS, deptno= 20, job= CLERK, sal= 1100ename= JAMES, deptno= 30, job= CLERK, sal= 950ename= FORD, deptno= 20, job= ANALYST, sal= 3000ename= MILLER, deptno= 10, job= CLERK, sal= 1300