SQL偏移类窗口函数
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SQL偏移类窗口函数 LAG、LEAD的用法小结
目录1.LAG()函数Demo：Demo：基础用法Demo：带偏移量的LAG()函数Demo：带默认值的LAG()函数Demo：LAG()函数，比较每一天的销售额与前一天的销售额的差异。2.LEAD()函数Demo：基础用法Demo：带偏移量的LEAD()函数Demo[详细]
2025-08-14 09:06 分类：数据库 Is it possible to smooth a scaled TBitmap in Delphi?
I am using Stretched=True on a TImage with a 256x256 bitmap. This gets scaled down by 1,2,4 or 8. As expected, text on the bitmap gets more horrible the more I de开发者_StackOverflowpart from \'1\'.[详细]
2022-12-29 06:05 分类：问答
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