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Writing Simple SELECT Queries,Chapter 1 had you preparing your computer by installing SQL Server 2012 and the AdventureWorks2012 sample database. You learned how to get around in SQL Server Management Studio and a few tips to help make writing queries easier.思考 发表于 2025-3-22 02:17:44
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Working with XML,s for Extensible Markup Language, and it looks a lot like HTML except that it generally contains data. Companies often use XML to exchange data between incompatible systems or with their vendors and customers. SQL Server also extensively uses XML data to store query plans.蛛丝 发表于 2025-3-22 12:33:00
Working with Data Types, have learned to manipulate data, write scripts, and create database objects. Essentially, you have learned the T-SQL basics. Not only have you learned these skills, but you have learned to think about the best way to solve a problem, not just the easy way.蔓藤图饰 发表于 2025-3-22 14:35:20
https://doi.org/10.1057/9781403980496Language (SQL) for SQL Server. T-SQL is the language that is most often used to extract or modify data stored in a SQL Server database, regardless of which application or tool you use. SQL Server 2012 T-SQL is based on standards created by the American National Standards Institute (ANSI), but Micros发酵 发表于 2025-3-22 17:56:24
https://doi.org/10.1007/978-3-319-09689-6ate how the data is displayed, filtered, or ordered. To create expressions in T-SQL, you use functions and operators along with literal values and columns. The reasons for using expressions in T-SQL code are many. For example, you may want to display only the year of a column of the DATETIME data ty得意人 发表于 2025-3-22 23:29:23
https://doi.org/10.1007/978-3-319-09689-6eries involving two or more tables. In a properly designed relational database, a table contains data about one thing or entity. For example, an order-entry application will have a table storing customer information, a table containing data about orders, and a table containing detail information aboCommunal 发表于 2025-3-23 01:48:28
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