DB2 Optimization Expert provides an environment to identify and tune poor performing SQL statements.

DB 2 Optimization Expert提供了用来识别和调优表现不佳的sql语句的环境。

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Replace poor performing SQL with a more optimal SQL statement without modifying the program source code.

无需修改程序源代码即可使用经过优化的sql语句替换表现不佳的SQL。

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So poor performing service endpoints must be discovered and made unavailable based on configured thresholds.

因此，必须发现表现较差的服务端点并根据配置的阈值使其不可用。

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Expensive, poor performing variable annuity insurance products dominate this niche that many mutual fund companies seemly ignore.

FORBES: Problems Areas for Pensions: 457/403(b); Custodial Services; Minority/Emerging Managers (May 2, 2006 )

That was the hole, much of it caused by some poor performing local currency bonds in South Africa.

FORBES: Oppenheimer's Main Street Case for Emerging Market Bonds

Thanks to endorsement schemes, high cost, poor performing variable annuities have come to dominate the 457 and 403b marketplace.

FORBES: SEC Snoozed As "Shadow Marketers" Skimmed Billions From Retirement Plans