用 APPEND 批量載入資料時，可避免不合格資料
$ sqlplus /nolog
SQL*Plus: Release 10.2.0.1.0 - Production on Mon Nov 19 16:50:50 2007
Copyright (c) 1982, 2005, Oracle. All rights reserved.
SQL> conn / as sysdba
Connected.
SQL> GRANT EXECUTE ON DBMS_ERRLOG TO scott; -- 呼叫包許可權
Grant succeeded.
SQL> conn scott/tiger;
Connected.
SQL> CREATE TABLE tar_emp AS SELECT * FROM emp WHERE 1=2;
Table created.
SQL> alter table tar_emp add constraint CK_SCOTT_TAR_EMP_SAL check (SAL > 1000);
Table altered.
SQL> INSERT /*+APPEND*/ INTO tar_emp SELECT * FROM emp;
INSERT /*+APPEND*/ INTO tar_emp SELECT * FROM emp
*
ERROR at line 1:
ORA-02290: check constraint (SCOTT.CK_SCOTT_TAR_EMP_SAL) violated
SQL> EXEC DBMS_ERRLOG.CREATE_ERROR_LOG('TAR_EMP');
PL/SQL procedure successfully completed.
-- Oracle 會自動建立一個 "err$_ + 表名" 的表來儲存批量載入時有錯誤的資料。
SQL> desc err$_tar_emp;
Name Null? Type
----------------------------------------- -------- ----------------------------
ORA_ERR_NUMBER$ NUMBER
ORA_ERR_MESG$ VARCHAR2(2000)
ORA_ERR_ROWID$ ROWID
ORA_ERR_OPTYP$ VARCHAR2(2)
ORA_ERR_TAG$ VARCHAR2(2000)
EMPNO VARCHAR2(4000)
ENAME VARCHAR2(4000)
JOB VARCHAR2(4000)
MGR VARCHAR2(4000)
HIREDATE VARCHAR2(4000)
SAL VARCHAR2(4000)
COMM VARCHAR2(4000)
DEPTNO VARCHAR2(4000)
SQL> INSERT /*+APPEND*/ INTO tar_emp SELECT * FROM emp LOG ERRORS REJECT LIMIT UNLIMITED;
12 rows created.
SQL> commit;
Commit complete.