RE: what's wrong with this...DBMS

From: Lord David <dlord_at_haysits.co.uk>
Date: Wed, 13 Jun 2001 00:47:43 -0700
Message-ID: <F001.0032719F.20010613005532@fatcity.com>

Igor

Oops, I stand corrected - works on 722, 734 & 816. Well, at least I've learnt something today.

Regards
David Lord

-----Original Message-----
Sent: 12 June 2001 17:48
To: Multiple recipients of list ORACLE-L

Did you try it?

I am not sure about v7.
But under 8.1.5 it works.
And why 'parse' should necessarily use 'dbms_sql.v7' ?

Here is an example, which proves, that for DDL it's enough to call 'parse' without 'execute':

SQLWKS> declare cur1 integer;

2> begin 
3> cur1 := dbms_sql.open_cursor; 
4> dbms_sql.parse(cur1,'create table ddd(d1 int)', dbms_sql.native); 
5> dbms_sql.close_cursor(cur1); 
6> end; 
7> /

Statement processed.
SQLWKS> select * from ddd;
D1

0 rows selected.

Igor Neyman, OCP DBA
Perceptron, Inc.
(734)414-4627

ineyman_at_perceptron.com

Original Message ----- To: Multiple recipients of list ORACLE-L Sent: Tuesday, June 12, 2001 10:52 AM

Parse doesn't execute DDL in oracle 7. The parse call uses 'dbms_sql.v7' so I would guess that even if the d/b is 8 it will use the 7 semantics.

Regards
David Lord
-----Original Message-----
Sent: 12 June 2001 14:31
To: Multiple recipients of list ORACLE-L

Lisa,

You don't need DBMS_SQL.EXECUTE, when running other then DML statements. DBMS_SQL.PARSE is enough.

Igor Neyman, OCP DBA
Perceptron, Inc.
(734)414-4627

ineyman_at_perceptron.com

Original Message ----- To: Multiple recipients of list ORACLE-L Sent: Monday, June 11, 2001 5:55 PM

Surendra, you need to execute it. Look at the spec of dbms_sql (I want to say it's dbms_sql.execute()). Either that or use EXECUTE IMMEDIATE. Lisa Koivu
Oracle Database Administrator
954-935-4117
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-----Original Message-----
Sent: Monday, June 11, 2001 4:55 PM
To: Multiple recipients of list ORACLE-L Hi List,
As the part of developing hot backup strategy, I am testing the following piece of code
to take care of arch files to be made avaialable along with backup set.

SQL> create or replace procedure log_switch as   2 cursor1 integer;
  3 begin
  4 cur1 := dbms_sql.open_cursor;
  5 dbms_sql.parse(cur1,'ALTER SYSTEM SWITCH LOGFILE', dbms_sql.v7);   6 dbms_sql.close_cursor(cur1);
  7 end;
  8 /
Procedure created.
SQL> execute log_switch;
PL/SQL procedure successfully completed.

But, I have observed several times that the above code is not forcing a log switch.
FYI, I want to track the sequence# of logfiles before and after the hot backup, so that
I can backup the files in that range.
Am I properly using the DBMS_SQL?
Any help is highly appreciated
TIA,
Suren
Oracle DBA
Sony

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Received on Wed Jun 13 2001 - 02:47:43 CDT

RE: what's wrong with this...DBMS_SQL