[C#] LINQ to SQL ã®å®Ÿè¡Œé€Ÿåº¦ã‚’３å€ã«åŠ 速ã™ã‚‹ã£ï¼ | HIDORI on The Webã©ãƒ¼ã‚‚最近ã€ãƒ€ãƒ¡ãªå扱ã„ã•ã‚ŒãŒã¡ãª LINQ to SQL ã§ã™ãŒã€ã‚¯ã‚¨ãƒªçµæžœã‚’（ã»ã¼ï¼‰é€éŽçš„ã«ã‚ャッシュã™ã‚‹ã“ã¨ã§å®Ÿè¡Œé€Ÿåº¦ã‚’約３å€ã«åŠ 速ã—ã¦ã¿ã¾ã—ãŸã€‚ 使ã„æ–¹ã¯ã²ã˜ã‚‡ãƒ¼ã«ã‚«ãƒ³ã‚¿ãƒ³ã€‚ 通常 var connectionString = Properties.Settings.Default.Database1ConnectionString; using (var db = new DataClasses1DataContext(connectionString)) { var array = db.Products.Where(__ => __.Price > 500).OrderBy(_ => _.Price).Take(200).ToArray(); } ã¿ãŸã„ã«æ›¸ãã¨ã“ã‚ã‚’ var connectionString = Properties.Settings.Default.Dat
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Queryable.Join Method (System.Linq)
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