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SQR Dates

Numbers are probably the most important scalar objects of business applications, but dates may be a close second. Dates Are Harder Than Numbers Numbers are simple; they line up.  Commands manipulate them without units.  Dates...

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7 Comments About Comments

Most people are more in favor of comments than they are in favor of writing comments. Most code doesn’t have enough comments, and the comments it has are often bad comments. Here are seven types of comments, listed from my...

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SQL for Breaks in a Sequence

In a previous post, Views You Can Use: Ordinal Numbers, we discussed how to acknowledge children who visited Pee Wee Bees most often.  The little boy who had been here the most (88 times to date) should be in first place.  The...

Views You Can Use: Ordinal Numbers

Cardinals and Ordinals As a child, I learned about cardinal and ordinal numbers. I just checked Wikipedia and found that my understanding of them is … childlike. I remember cardinal numbers as non-negative integers; 0, 1, 2, 3,...

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