Xem 1-3 trên 3 kết quả Sql in 24 hours
  • Introduction Part I: A SQL Concepts Overview HOUR 1 Welcome to the World of SQL Part II: Building Your Database HOUR 2 Defining Data Structures 3 Managing Database Objects 4 The Normalization Process 5 Manipulating Data 6 Managing Database Transaction

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  • In just 24 sessions of one hour or less, you’ll learn how to use SQL to build effective databases, efficiently retrieve your data, and manage everything from performance to security! Using this book’s straightforward, step-by-step approach, you’ll learn hands-on through practical examples. Each lesson builds on what you’ve already learned, giving you a strong real-world foundation for success. The authors guide you from the absolute basics to advanced techniques—including views, transactions, Web data publishing, and even powerful SQL extensions for Oracle and Microsoft SQL Server...

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  • FORMATTING TEXT AND DATES Period Specifier %c Description Number without leading zero With leading zero Without leading zero With English text suffix Full text Abbreviated name, three letters 24-hour clock with leading zero 24-hour clock without leading zero 12-hour clock with leading zero 12-hour clock without leading zero Example 1, 9 01, 25 1, 25 1st, 25th Monday, Thursday Mon, Thu 01, 23 1, 23 01, 11 1, 11 Day of month %d %e %D Weekday name %W %a Hour %H %k %h %l (lowercase “L”) Minutes Seconds AM/PM %i %S %p With leading zero With leading zero 05, 25 08, 45 As explai...

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