Need help with dynamic code generation

Question

Hi Folks,
I am trying to dynamically create and execute the following query
Environment: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0
DECLARE
A NUMBER;
stmt VARCHAR2(200);
     4
     5  CURSOR C1 IS
     6  SELECT TABLE_NAME
     7  FROM DB_MGMT.CTRL_TAB_RETENTION
     8  WHERE RETENTION_PERIOD_IN_MONTHS = 11
     9  AND rownum < 2;
    10
    11  BEGIN
    12  FOR i IN C1
    13  LOOP
    14
    15  -- dbms_output.put_line('Table Name: ' || i.TABLE_NAME);
    16
    17  -- dbms_output.put_line('SELECT min(DT_SKEY), max(DT_SKEY) FROM '||i.TABLE_NAME||' ;');
    18
    19  stmt :='SELECT min(DT_SKEY), max(DT_SKEY) FROM DWH_RSRC_PERF.'||i.TABLE_NAME||';';
    20
    21  dbms_output.put_line(stmt);
    22
    23  execute immediate stmt;
    24  END LOOP;
    25  END;
    26  /I get the following error message
SQL> @sanity_check
SELECT min(DT_SKEY), max(DT_SKEY) FROM DWH_RSRC_PERF.FACT_NOK_CELL_SERVICE2_HH;
DECLARE
ERROR at line 1:
ORA-00911: invalid character
ORA-06512: at line 23Can anybody spot any obvious syntax errors in the above code?
Thanks in advance
rogers42

Answer 1

rogers42 wrote:
Hi,
Thanks for the suggestion.
While getting rid of the ";" helps, but the output of the select statement is not displayed?When you do a SELECT statement in PL/SQL, you have to select the results into variables or arrays.
Try something like this:
DECLARE
     CURSOR C1 IS
                   SELECT  TABLE_NAME
            FROM    DB_MGMT.CTRL_TAB_RETENTION
            WHERE   RETENTION_PERIOD_IN_MONTHS = 11
            AND     rownum                  < 2;
     min_dt_skey    NUMBER;
     max_dt_skey    NUMBER;
     stmt            VARCHAR2 (100);
BEGIN
    FOR i IN C1
     LOOP
        -- dbms_output.put_line('Table Name: ' || i.TABLE_NAME);
        stmt :='SELECT min(DT_SKEY), max(DT_SKEY) FROM DWH_RSRC_PERF.' || i.TABLE_NAME;
        dbms_output.put_line(stmt);
        EXECUTE IMMEDIATE stmt
         INTO min_dt_skey, max_dt_skey;
     dbms_output.put_line (  min_dt_skey   || ' = MIN (dt_skey), '
                    || max_dt_skey   || ' = MAX (dt_skey) for table '
                    || i.table_name
    END LOOP;
END;