验证数据库升级结果： db2checkSD
门户网站{0}的数据库升级已成功完成。
Database upgrade for portal site {0} has completed successfully.
我们面临的挑战是数据库升级，若是我们可以更新数据库不受影响的代码。
The challenge we have is database upgrades and it would be great if we could update the database without affected the code.
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