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Solution The Error ORA-00997
2009-09-17 16:22

Causes
:


此错误一般由于迁移数据时,使用create as 或者 insert ... select ...发生。Oracle解析错误如下:
$oerr ora 997
00997, 00000, "illegal use of LONG datatype"
// *Cause:
// *Action:

错误很明显,由于有列为long类型,故不支持此种方式。

Solutions:


可使用包dbms_metadata_util.long2varchar来解决。

examples:

SQL> create table scott.app_log_his
2  as
3  select * from app_log;
select * from app_log
*
ERROR at line 3:
ORA-00997: illegal use of LONG datatype


SQL> desc app_log
Name                                      Null?    Type
----------------------------------------- -------- ----------------------------
SESSIONID                                 NOT NULL NUMBER
TIMESTAMP#                                NOT NULL DATE
DBUID                                              VARCHAR2(30)
OSUID                                              VARCHAR2(255)
OSHST                                              VARCHAR2(128)
CLIENTID                                           VARCHAR2(64)
EXTID                                              VARCHAR2(4000)
OBJSCHEMA                                         VARCHAR2(30)
OBJNAME                                           VARCHAR2(128)
POLICYNAME                                         VARCHAR2(30)
SCN                                                NUMBER
SQLTEXT                                            VARCHAR2(4000)
LSQLTEXT                                           CLOB
SQLBIND                                            VARCHAR2(4000)
COMMENTTEXT                                       VARCHAR2(4000)
PLHOL                                              LONG

SQL> create table scott.app_log_his
2  as
3  select SESSIONID,TIMESTAMP#,DBUID,OSUID,OSHST,CLIENTID,EXTID,OBJSCHEMA,OBJNAME,POLICYNAME,
SCN,SQLTEXT,LSQLTEXT,SQLBIND,COMMENTTEXT,
dbms_metadata_util.long2varchar(4000,'FGA_LOG','PLHOL',rowid) PLHOL
4  from app_log;

Table created.


类别:oracle database 基础及troubleshooting | 添加到搜藏 | 浏览() | 评论 (0)
 
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