Population status logs that record status and indexing errors for each index within a catalog 将每个索引的状态和索引错误记录到一个目录中的填充状态日志。
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The missing indexes feature can be used to catch and correct indexing errors , whereas , database engine tuning advisor can be used to correct indexing errors and to tune the workload running on a server as a whole 缺失索引功能可用于捕获并更正索引错误，而数据库引擎优化顾问可用于更正索引错误，并从整体上优化服务器中运行的工作负荷。
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The paper also does some deep research on the mesh characteristic of the mechanism , analyses the cause o f the cam profile error and index error during working , using object - oriented method , vc + + and pro / toolkit , performs second development to pro / engineer , completes entity proplasm of the cam mechanism using only few parameters , the press angle calculate module , error analysis module and curvature calculate module are built on the basis of it 然后通过对弧面分度凸轮加工中产生廓面误差及工作时产生分度误差原因的分析，建立了计算加工和分度误差的数学模型。应用vc + +和pro toolkit对pro engineer进行二次开发，建立了弧面分度凸轮机构的参数化设计和三维造型及压力角、诱导主曲率等运动特性和误差分析软件系统。
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