Download e-book for iPad: Beginning T-SQL: Third Edition by Kathi, Shaw, Scott Kellenberger

By Kathi, Shaw, Scott Kellenberger

ISBN-10: 1484200462

ISBN-13: 9781484200469

ISBN-10: 1484200470

ISBN-13: 9781484200476

    Beginning T-SQL is a performance-oriented creation to the T-SQL language underlying the Microsoft SQL Server database engine. T-SQL is key in writing SQL statements to get info into and out of a database. T-SQL is the root for enterprise good judgment embedded within the database within the kind of saved techniques and features. Beginning T-SQL starts off you at the route to studying T-SQL, with an emphasis on best-practices and sound coding thoughts resulting in first-class functionality. This re-creation is up-to-date to hide the fundamental gains of T-SQL present in SQL Server 2014, 2012, and 2008.

    Beginning T-SQL starts with an advent to databases, normalization, and to SQL Server administration Studio. cognizance is given to Azure SQL Database and the way to connect with distant databases within the cloud. every one next bankruptcy teaches a side of T-SQL, development at the talents discovered in earlier chapters. routines in so much chapters provide a chance for the hands-on perform that ends up in precise studying and distinguishes the efficient expert. very important thoughts reminiscent of windowing capabilities are coated to aid write quick executing queries that remedy genuine company problems.

    A stand-out characteristic during this ebook is that almost all chapters finish with a "Thinking approximately functionality" part. those sections conceal points of question functionality relative to the content material simply awarded. they're going to assist you keep away from newbie blunders through realizing approximately and pondering functionality from Day 1.

    • Imparts most sensible practices for writing T-SQL
    • Helps you stay away from universal errors
    • Shows tips on how to write scalable code for stable performance

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    Additional info for Beginning T-SQL: Third Edition

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    Sort the results by LastName, FirstName, and MiddleName. Person ORDER BY LastName, FirstName, MiddleName; 2. Modify the query written in question 1 so that the data is returned in the opposite order. Person ORDER BY LastName DESC, FirstName DESC, MiddleName DESC; 58 Chapter 4 Using Built-In Functions and Expressions Now that you have the knowledge to write simple SELECT statements, it is time to explore some of the other features of T-SQL that allow you to manipulate how the data is displayed, filtered, or ordered.

    Query 3 returns all job titles beginning with A and B. It also displays any job titles beginning with E and at least one more character, as well as any job titles starting with a letter greater than E. If a title consists of just the letter E, it will not show up in the results. This is just the opposite of what you saw in Listing 3-7. 42 Chapter 3 ■ Writing Simple SELECT Queries Figure 3-7. The partial results of queries with NOT BETWEEN Query 4 with the illogical BETWEEN expression returns all the rows in the table.

    Tablename> ORDER BY [], [] 50 Chapter 3 ■ Writing Simple SELECT Queries Type in and execute the code in Listing 3-14 to learn how to use the ORDER BY clause. Listing 3-14. ProductInventory ORDER BY ProductID, LocationID DESC; Figure 3-11 shows the partial results. The rows from query 1 display in order of LocationID. Query 2 returns the results ordered first by ProductID, and then the results are further sorted by LocationID in descending order.

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    Beginning T-SQL: Third Edition by Kathi, Shaw, Scott Kellenberger


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