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SQL>
SQL> CREATE TABLE EMP (EMPNO NUMBER(4) NOT NULL,
2 ENAME VARCHAR2(10),
3 JOB VARCHAR2(9),
4 MGR NUMBER(4),
5 HIREDATE DATE,
6 SAL NUMBER(7, 2),
7 COMM NUMBER(7, 2),
8 DEPTNO NUMBER(2));
Table created.
SQL>
SQL> INSERT INTO EMP VALUES (7369, 'SMITH', 'CLERK', 7902, TO_DATE('17-DEC-1980', 'DD-MON-YYYY'), 800, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7499, 'ALLEN', 'SALESMAN', 7698, TO_DATE('20-FEB-1981', 'DD-MON-YYYY'), 1600, 300, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7521, 'WARD', 'SALESMAN', 7698, TO_DATE('22-FEB-1981', 'DD-MON-YYYY'), 1250, 500, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7566, 'JONES', 'MANAGER', 7839, TO_DATE('2-APR-1981', 'DD-MON-YYYY'), 2975, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7654, 'MARTIN', 'SALESMAN', 7698,TO_DATE('28-SEP-1981', 'DD-MON-YYYY'), 1250, 1400, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7698, 'BLAKE', 'MANAGER', 7839,TO_DATE('1-MAY-1981', 'DD-MON-YYYY'), 2850, NULL, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7782, 'CLARK', 'MANAGER', 7839,TO_DATE('9-JUN-1981', 'DD-MON-YYYY'), 2450, NULL, 10);
1 row created.
SQL> INSERT INTO EMP VALUES (7788, 'SCOTT', 'ANALYST', 7566,TO_DATE('09-DEC-1982', 'DD-MON-YYYY'), 3000, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7839, 'KING', 'PRESIDENT', NULL,TO_DATE('17-NOV-1981', 'DD-MON-YYYY'), 5000, NULL, 10);
1 row created.
SQL> INSERT INTO EMP VALUES (7844, 'TURNER', 'SALESMAN', 7698,TO_DATE('8-SEP-1981', 'DD-MON-YYYY'), 1500, 0, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7876, 'ADAMS', 'CLERK', 7788,TO_DATE('12-JAN-1983', 'DD-MON-YYYY'), 1100, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7900, 'JAMES', 'CLERK', 7698,TO_DATE('3-DEC-1981', 'DD-MON-YYYY'), 950, NULL, 30);
1 row created.
SQL> INSERT INTO EMP VALUES (7902, 'FORD', 'ANALYST', 7566,TO_DATE('3-DEC-1981', 'DD-MON-YYYY'), 3000, NULL, 20);
1 row created.
SQL> INSERT INTO EMP VALUES (7934, 'MILLER', 'CLERK', 7782,TO_DATE('23-JAN-1982', 'DD-MON-YYYY'), 1300, NULL, 10);
1 row created.
SQL>
SQL>
SQL>
SQL> CREATE TABLE query_trace (
2 table_name VARCHAR2(30),
3 rowid_info ROWID,
4 queried_by VARCHAR2(30),
5 queried_at DATE
6 );
Table created.
SQL>
SQL> CREATE OR REPLACE FUNCTION traceit (
2 tab IN VARCHAR2,
3 rowid_in IN ROWID)
4 RETURN INTEGER
5 IS
6 PRAGMA AUTONOMOUS_TRANSACTION;
7 BEGIN
8 INSERT INTO query_trace VALUES (tab, rowid_in, USER, SYSDATE);
9 COMMIT;
10 RETURN 0;
11 END;
12 /
Function created.
SQL>
SQL> SELECT ename, traceit ('emp', ROWID)
2 FROM emp;
ENAME TRACEIT('EMP',ROWID)
---------- --------------------
SMITH 0
ALLEN 0
WARD 0
JONES 0
MARTIN 0
BLAKE 0
CLARK 0
SCOTT 0
KING 0
TURNER 0
ADAMS 0
JAMES 0
FORD 0
MILLER 0
14 rows selected.
SQL>
SQL> SELECT table_name, rowid_info, queried_by,
2 TO_CHAR (queried_at, 'HH:MI:SS') queried_at
3 FROM query_trace;
TABLE_NAME ROWID_INFO QUERIED_BY QUERIED_
------------------------------ ------------------ ------------------------------ --------
emp AAAE5nAABAAAKXqAAA JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAB JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAC JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAD JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAE JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAF JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAG JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAH JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAI JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAJ JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAK JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAL JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAM JAVA2S 08:08:36
emp AAAE5nAABAAAKXqAAN JAVA2S 08:08:36
14 rows selected.
SQL>
SQL>
SQL> DROP TABLE query_trace;
Table dropped.
SQL> drop table emp;
Table dropped.
SQL>
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