表名不确定,需要动态拼接。
表名格式为”car_state_123“,后面的123需要动态获取。
获取语句如下:
select car_model_id from car_info where no='XXXX'
最后需要的sql语句为:
select * from car_state_123,请问该语句如何写???
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- SQL code
FOR RPTT IN (select car_model_id from car_info where no='XXXX') LOOP select * car_state_'||RPTT.CORP_HEAD||';end loop;
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- SQL code
--在存储过程里面完成呗--例:create or replace procedure yyp_cwdh(table_name varchar)is str_sql varchar2(400):='';begin str_sql:='select * from '||table_name||' where 1=1'; execute immediate str_sql;end yyp_cwdh;
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动态语句,就是在存储过程中用到的啊,难道你想一个SQL语句就出来????
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declare
str_l_sql varchar2(1000);
begin
for c in (select car_model_id from car_info where no='XXXX') loop
str_l_sql := 'select * from car_state_'||c.car_model_id;
execute immediate str_l_sql into ......
end loop;
end;
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declare
tabName varchar(1000);
id number;
tabSql varchar(1000);
begin
select car_model_id into id from car_info where car_lic_plate='XXXXX';
--id:=select car_model_id from car_info where car_lic_plate='XXXXX';
--tabSql:=tabName||id
tabSql := 'select * from :a';
EXECUTE IMMEDIATE tabSql USING 'car_state_'||to_char(id);
commit;
end;
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大概这样就行咯。。具体我就不写了。。希望你能看懂,我很懒,所以就不写全咯。
- SQL code
CURSOR TASKLIST IS Select JOB_NUM, JOB_TYPE, JOB_SERVICE_NAME, JOB_NAME, JOB_STATUS, ERR_CODE, ERR_MESSAGE, DATELASTMAINT, JOB_VALIDATE From RP_TASKLIST WHERE JOB_VALIDATE = 1 AND JOB_TYPE = 'GL' And JOB_STATUS < IN_JOB_STATUS ORDER BY JOB_NUM;For R_TASKLIST IN TASKLIST LOOP JOB_SERVICE_NAME_ := R_TASKLIST.JOB_SERVICE_NAME; JOB_NUM_ := R_TASKLIST.JOB_NUM; execute immediate 'BEGIN ' || R_TASKLIST.Job_Service_Name || '(:1,:2,:3);END;' --执行子任务 using in in_yyyymmdd, out out_ErrorNbr, out out_ErrorMsg;