同事刚刚安装了11G的客户端,用PL SQL DEVELOPER连到到数据库中查询结果缺和另一个同事结果不一致。
另一个同事查询如下的SQL是有记录的：
SQL> select dbcode from dborg where orgtype='2' and orgname like'%北京%';
dbcode
--------------
A010100
而这个同事查询结果缺没有这条记录：
SQL> select dbcode from dborg where orgtype='2' and orgname like'%北京%';
no rows selected
SQL>
刚开始还以为是数据库 BUG之类的错误。
后来想了想可能是环境变量的问题导致解析不了，中文“北京”2个字体。
试验了一下果然如此：
C:\>SET NLS_LANG=american_america.ZHS16GBK
C:\>sqlplus
SQL*Plus: Release 10.2.0.1.0 - Production on Wed Feb 29 16:47:31 2012
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
SQL> select dbcode from dborg where orgtype='2' and orgname like'%北京%';
dbcode
--------------
A010100
C:\>SET NLS_LANG=american_CHINA.UTF8
C:\>sqlplus
SQL*Plus: Release 10.2.0.1.0 - Production on Wed Feb 29 16:46:44 2012
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
SQL> select dbcode from dborg where orgtype='2' and orgname like'%北京%';
no rows selected
SQL> EXIT
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64
bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine
and Real Application Testing options
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