当事件需要在当前时间过后20秒执行，则该时间的“ON SHCEDULE”表达式为（）
A: ON SCHEDULE 20 SECOND
B: ON SCHEDULE AT 20 SECOND
C: ON SCHEDULE AT CURRENT_TIMESTAMP +20 SECOND
D: ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 20 SECOND
A: ON SCHEDULE 20 SECOND
B: ON SCHEDULE AT 20 SECOND
C: ON SCHEDULE AT CURRENT_TIMESTAMP +20 SECOND
D: ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 20 SECOND
D
举一反三
- The second step of organizing a business visit is to _________. A: confirm the visitors’ information B: determine the visiting route C: arrange relevant people to receive visitors D: make a visiting schedule
- The aim of the second phase is to assess the current energy situation in China.
- Our train is already . I wonder whether we will be in time for Tom’s wedding. A: behind schedule B: ahead of schedule C: on schedule D: according to schedule
- But it is also true that stock prices are fairly ________ right now. A: acquired B: schedule C: previous D: reasonable E: current
- What kind of materials can be found on the second floor?Current magazines and_______.
内容
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Mysql中创建事件的语句格式正确的是（ ）。 A: create Event …on schedule …do… B: create Event … do… C: create Event …do…on schedule … D: create Event …on schedule …for …
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请利用事件，实现从现在开始的1年时间内，每天删除sh_goods表中is_on_sale为0且update_time大于30天的商品。CREATE ___(1)____ IF NOT EXISTS delete_eventON SCHEDULE _____(2)______ENDS CURRENT_TIMESTAMP + INTERVAL 1 YEARON COMPLETION PRESERVE____(3) _____ CALL delete_proc();
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Many useful tools and techniques are used in developing schedule（）is a schedule network analysis technique that modifies the project schedule to account for limited resource.
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中国大学MOOC: What does the man in the video mean by seeing “I’m good” (at around 1minute 20 second) ? 答
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on schedule