Maximum size of EXECUTE IMMEDIATE

Hellou everyone,

I would like to ask if there is a way how to run the dynamic SQL CREATE or VIEW of REPLACE command more than 32 KB of wholesale. Because the EXECUTE IMMEDIATE statement can run up to 32 k (greater length of variable plsql chain) chain

Is there a way how children Ridge or replace the command?

Or I need to revrite using DBMS_SQL.

Thank you.

(a) WHY? If you want to dynamically create views?  This is not recommended because your application/database should be designed at the time of the design, not running.

(b) If you are on 11 g, you can use the CLOB datatype with immediate execution, so there is no 32 K limit.

(c) If you are before 11 g you need to update, but if you can't then the following example is how you do it using DBMS_SQL.

SQL > declare

2 v_large_sql clob.

3 v_num number: = 0;

number of v_upperbound 4;

5 v_sql dbms_sql.varchar2s;

6 whole v_cur;

number of v_ret 7;

8 v_join_sql varchar2 (100): = ' crΘer view vw_tmp as ";

9 start

10. build a very big SQL statement in the CLOB

11 loop

12 v_large_sql: = v_large_sql | v_join_sql | "select" the number of this line is: ' | TO_CHAR (v_num, 'fm0999999') | " "as col1 from dual;"

13 v_join_sql: = "union all";

14 v_num: = v_num + 1;

15 exit when dbms_lob.getlength (v_large_sql) > 40000 or v_num > 800;

16 end loop;

17 dbms_output.put_line (' length :'||) DBMS_LOB. GetLength (v_large_sql));

18 dbms_output.put_line ('Num :'|| v_num);

19-

20. now divide this big SQL statement into pieces of 256 characters and put in table VARCHAR2S

21 v_upperbound: = ceil ((v_large_sql) dbms_lob.getlength / 256);

22 because me at 1.v_upperbound

23 loop

24 v_sql (i): = dbms_lob.substr (v_large_sql

25, 256 - amount

26, ((i-1) * 256) + 1 - offset

27                                 );

28 end of loop;

29-

30. now analyze and execute the SQL statement

31 v_cur: = dbms_sql.open_cursor;

32 dbms_sql.parse (v_cur, v_sql, 1, v_upperbound, dbms_sql.native, false);

33 v_ret: = dbms_sql.execute (v_cur);

34 dbms_output.put_line ("' view created");

35 dbms_sql.close_cursor (v_cur);

36 end;

37.

Length: 40015

NUM:548

View created

PL/SQL procedure successfully completed.

SQL > select count (*) in the vw_tmp;

COUNT (*)

----------

548

SQL > select * from vw_tmp where rownum<=>

COL1

-----------------------------------

The number of this line is: 0000000

The number of this line is: 0000001

The number of this line is: 0000002

The number of this line is: 0000003

The number of this line is: 0000004

The number of this line is: 0000005

The number of this line is: 0000006

The number of this line is: 0000007

The number of this line is: 0000008

The number of this line is: 0000009

10 selected lines.

SQL >

Tags: Database

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