预兆好 发表于 2025-3-26 21:33:06
https://doi.org/10.1007/978-3-030-32082-9Chapter 1 had you prepare your computer by installing SQL Server and the sample databases. You learned how to get around in Azure Data Studio and a few tips to help make writing queries easier. In Chapter 2, you learned about databases, tables, and the other objects that make up a database.Lacunar-Stroke 发表于 2025-3-27 03:44:02
Getting Started,T-SQL, also known as Transact-SQL, is Microsoft’s implementation of the Structured Query Language (SQL) for SQL Server. Most database professionals pronounce SQL like the word “sequel,” but you will occasionally hear someone say it as S-Q-L.Expressly 发表于 2025-3-27 05:39:12
Exploring Database Concepts,This chapter will explain just what SQL Server is and what a database is and describe the objects that make up those databases. You will learn how data is stored in a database, and you’ll learn about objects, called ., that help SQL Server return the results of your queries quickly.LAIR 发表于 2025-3-27 13:19:53
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Kathi Kellenberger,Lee EverestTakes a performance-focused approach showing you how different techniques can affect query execution times.Valuable for beginners and intermediate T-SQL developers who want to improve their skills.Pro周兴旺 发表于 2025-3-27 18:03:35
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https://doi.org/10.1057/9780230593329eries 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 order detail informatioriginality 发表于 2025-3-28 09:24:39
Shifting Identities in the Classroomother ways to combine tables in a query. . and . (CTEs) allow you to isolate the logic of complex queries. . allow you to combine the results of two independent queries into one result set. The first thing you will learn in this chapter is how to substitute a query for a hard-coded . list.集合 发表于 2025-3-28 14:11:24
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