DB2中SQLSTATE=57016 SQLCODE=-668，原因码 "7"的解决

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对表进行任何操作都不被允许，

提示SQLSTATE=57016 SQLCODE=-668 ，原因码 "7"的错误：

SQL0668N Operation not allowed for reason code "7" on table XXX.

解决方法为：执行命令：reorg table XXX；即可。

参考原文为：
Operation not allowed for reason code reason-code on table table-name.
Explanation: Access to table table-name is restricted. The cause is based on the following reason codes reason-code: 7
The table is in the reorg pending state. This can occur after an ALTER TABLE statement containing a REORG-recommended operation.7
Reorganize the table using the REORG TABLE command (note that INPLACE REORG TABLE is not allowed for a table that is in the reorg pending state).

其中：

reorg table <tablename> 通过重构行来消除"碎片"数据并压缩信息，对表进行重组。

runstats on table <tbschema>.<tbname> 收集表 <tbname> 的统计信息。

reorgchk on table all 确定是否需要对表进行重组，对于对所有表自动执行 runstats 很有用。

>>> reorg 和runstats 都是单个表优化，初始化的命令：

runstats on table administrator.test;
reorg table administrator.test;