课程: Access 2016 Essential Training
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Building queries in Design view
- The Query Designer View is a very powerful tool to have at your disposal, and its layout makes it easy to find some answers to some very complex questions. The easiest way to begin exploring the Query Design environment is to take a look at an existing query to see how it was put together. We'll use this Check In Details Query that we created with the Wizard in the last movie, in order to get us started. Let's go ahead and open it up in Design View, and just like our tables, I can right click on it and jump straight into Design View in the flyout menu here. In Design View you'll notice that we have a couple of different sections to our screen. The upper half of the screen is kind of like a mini relationships skew, it allows us to see the different tables that are involved in our query here, so in this case we've got the Guests table, and we have the RoomAssignments table here. And in the bottom half of the screen is devoted to defining the different columns that are going to be…
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内容
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Understanding queries3 分钟 10 秒
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Creating queries with the Simple Query Wizard3 分钟 58 秒
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Building queries in Design view9 分钟 23 秒
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Establishing constraints with criteria5 分钟 28 秒
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Specifying criteria with wildcards4 分钟 16 秒
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Leveraging multiple criteria with AND and OR statements6 分钟 7 秒
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Filtering with mathematical comparisons3 分钟 41 秒
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Creating flexible queries with parameter requests5 分钟 7 秒
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Building expressions7 分钟 26 秒
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Obtaining summary statistics7 分钟 3 秒
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Challenge: Creating queries42 秒
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Solution: Creating queries4 分钟 38 秒
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