autotrace

基本解释

• n. 自动跟踪；自动描图；电气液压靠模仿型铣床

同根派生

英汉例句

• Why does AUTOTRACE not show partition pruning in the explain plan ?
  为什么AUTOTRACE不会在执行计划中显示分区截断（partition pruning）？
• Autotrace's output is not showing partition elimination.
  AUTOTRACE的输出没有显示分区截断。
• Why is it that when I use AUTOTRACE in SQL*Plus, the explain plan never shows partition pruning taking place?
  为什么当我在SQL*Plus中使用AUTOTRACE时，执行计划从不显示发生了分区截断呢？
• SQL>set autotrace on;select * from t1 where object_type=:b0;SP2-0552: Bind variable "b0" not declared.
  不输入绑定变量的数值我如何看这条语句的执行计划呢？
• This is identical to what we saw above with autotrace, except we get to see that partition pruning did actually take place.
  除了真实的看到分区截断的确发生了，这与我们在上面用AUTOTRACE的结果一致。

词组短语

短语

• set autotrace 选项
• SET AUTOTRACE ON 开启
• set autotrace traceonly 查看执行计划;与ON相似
• set autotrace traceonly explain 只显示执行计
• set t autotrace 使用步骤