可以使用C=0sampling plan抽检生产产品有:()。
A、连续生产的产品
B、Lotby Lot生产的产品
C、库存产品
D、以上都可以
A、连续生产的产品
B、Lotby Lot生产的产品
C、库存产品
D、以上都可以
A、The optimizer used a dynamic plan for the query. B、The optimizer chose different plans because automatic dynamic sampling was enabled. C、The optimizer used re-optimization cardinality feedback for the query. D、The optimizer chose different plan because extended statistics were created for the columns used.
A、 2000 samples per second B、 4000 samples per second C、 8000 samples per second D、 12,000 samples per second
A、建议Eric增加他的电脑上脱机文件的硬盘空间 B、建议Eric右击\\MktFiles\Plans\Plan.xis文件,并从内容菜单中选择脱机可用选项 C、建议Eric打开Windows浏览器,从工具菜单中选择文件夹选项,在脱机文件表中选择支持脱机文件选项 D、建议Eric打开Windows浏览器,从工具菜单中选择文件夹选项,在脱机文件表中选择在登陆之前同步所有的脱机文件选项
A、A. They are tied to a specific statement or SQL id. B、B. They instruct the maintenance job to collect missing statistics or perform dynamic sampling to generate a more optimal plan. C、C. They are used to gather only missing statistics. D、D. They are created for a query expression where statistics are missing or the cardinality estimates by the optimizer are incorrect. E、E. They instruct the optimizer to create only column group statistics. F、F. Improve plan accuracy by persisting both compilation and execution statistics in the SYSAUX tablespace.