oracle9i 怎样自动通过trigger捕获DML 语句
SQL> desc t1Name Null? Type
----------------------------------------------------- -------- ------------------------------------
A NUMBER
SQL> desc t_sql
Name Null? Type
----------------------------------------------------- -------- ------------------------------------
USERNAME VARCHAR2(30)
CLIENT_IP VARCHAR2(20)
SQL_TEXT VARCHAR2(4000)
TABLE_NAME VARCHAR2(30)
OWNER VARCHAR2(30)
SQL> create or replace trigger capt_sql
2 BEFORE DELETE OR INSERT OR UPDATE ON t1
3 declare
4 n number;
5 stmt varchar2(4000);
6 sql_text ora_name_list_t;
7 begin
8 n := ora_sql_txt(sql_text);
9 FOR i IN 1..n LOOP
10 stmt := stmt || sql_text(i);
11 END LOOP;
12
13 insert into t_sql(USERNAME,CLIENT_IP,SQL_TEXT,TABLE_NAME,OWNER)
14 values(user,sys_context('userenv','ip_address'),stmt,'T1','RAINY');
15
16 end;
17 /
Trigger created.
SQL> insert into t1(a) values(1);
1 row created.
SQL> update t1 set a = 2 where a = 1;
1 row updated.
SQL> delete t1;
3 rows deleted.
SQL> commit;
Commit complete.
SQL> select * from t_sql;
USERNAME CLIENT_IP SQL_TEXT
------------------------------ -------------------- ------------------------------
TABLE_NAME OWNER
------------------------------ ------------------------------
RAINY 10.1.30.19 insert into t1(a) values(1)
T1 RAINY
RAINY 10.1.30.19 update t1 set a = 2 where a =
1
T1 RAINY
RAINY 10.1.30.19 delete t1
T1 RAINY
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