EWER
发表于 2025-3-26 21:12:42
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死亡
发表于 2025-3-27 03:38:05
Writing Advanced Queries,ueries available with these most recent releases. For example, you will learn more about common table expressions (CTEs), how to write a pivot query, how to use the new ranking functions, and more. As a beginning T-SQL developer, you may or may not need this information right away. This chapter does
套索
发表于 2025-3-27 08:04:05
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说笑
发表于 2025-3-27 12:26:35
https://doi.org/10.1007/978-3-319-09689-6pe on a report, or you may need to calculate a discount based on the order quantity in an order-entry application. Any time the data must be displayed, filtered, or ordered in a way that is different from how it is stored, you can use expressions and functions to manipulate it.
Brain-Waves
发表于 2025-3-27 14:36:55
https://doi.org/10.1007/978-3-319-09689-6ut each item ordered. The order table has a column, called a ., that points to a row in the customer table. The detail table has a foreign key column that points to the order table. By using ., you can link these tables together so that you can display columns from each table in the same result set.
painkillers
发表于 2025-3-27 21:46:39
https://doi.org/10.1007/978-3-319-09689-6he other queries you have learned so far, but by taking a step-by-step approach, you will see that they are not difficult to write at all. Be sure to take the time to understand the examples and complete all the exercises before moving on to the next section.
令人不快
发表于 2025-3-28 00:23:57
https://doi.org/10.1007/978-3-030-74870-8t need to write a script that checks the last backup date of all databases on the server or checks the free space of all the databases. Although most administrative tasks are beyond the scope of this book, you may find many uses in your environment for the techniques you learn in this chapter.
CRAB
发表于 2025-3-28 03:03:11
Identity and Migration: An Introduction,n’t contain any exercises, but I encourage you to experiment and come up with your own examples for any of the features that you are interested in. Consider the information in this chapter as a head start in becoming an expert T-SQL developer.
aesthetic
发表于 2025-3-28 07:22:27
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troponins
发表于 2025-3-28 12:58:32
Book 2012Latest editionin writing SQL statements to get data into and out of a database. T-SQL is the foundation for business logic embedded in the database in the form of stored procedures and functions. .Beginning T-SQL 2012. starts you on the path to mastering T-SQL, with an emphasis on best practices and sound coding