A: By enabling the Slow Query Log because all queries that are not using indexes will be logged automatically
B: By enabling the Error Log because not using indexes is an error
C: By enabling the Slow Query Log and using the – log-queries-not-using-indexes option
D: By enabling the Error Log and using the – log-queries-not-using-indexes optio
举一反三
- You can find information using Web-based ____. A: indexes B: lists of links C: links provided on the pages of wikis D: all of the above
- 4.下列关于结果记录文件的命令语句书写正确的有： A: log using filename.log B: log use filename C: log on D: log off
- When shrinking a table segment， you choose to shrink all the indexes for that table using the SHRINK SPACE command. Which clause should you use？（） A: A INCLUDING DEPENDENCIES B: B INCLUDING DEPENDENCIES CASCADE C: C COMPACT D: D CASCADE E: E None of the above
- You are using Recovery wizard for performing incomplete recovery. Which of the following object types is NOT available in the Perform Recovery ：Type screen？（） A: Whole database B: Tablespaces C: Datafiles D: Archive logs E: Redo log
- 选择下列函数运行后的输出NestList[Log,10,3] A: {Log[10],Log[Log[10]],Log[Log[Log[10]]]} B: {10,Log[10],Log[Log[10]],10+Log[Log[Log[10]]]} C: {Log[10],Log[Log[10]],Log[Log[Log[Log[10]]]]} D: {10,Log[10],Log[Log[10]],Log[Log[Log[10]]]}
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If you are not sure of a fact, and outcome, or point of view, you can do this _______? A: by using maybe, probably… B: by using modal verbs such as could, might… C: by using linking words furthermore, nevertheless…. D: by using linking words but, however….
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Which is the proven document-formatting technique?( ). A: using Times New Roman or Arial B: using signposting words or phrases C: using white space D: all the above
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Which of the following choice of designing PPT for presentation is correct?? Using;old-style handwriting fonts|Using;contrasting colors like light on dark or dark on light|Using italics or underlines everywhere|Using all capital letters
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Which of the following choice of designing PPT for presentation is correct？（ ） A: Using contrasting colors like light on dark or dark on light. B: Using all capital letters. C: Using old-style handwriting fonts. D: Using italics or underlines everywhere.
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When you are using numbers and data in your presentation, make it meaningful by using them in a context.