Get Beginning T-SQL (3rd Edition) PDF
By Kathi Kellenberger, Scott Shaw
Starting T-SQL is a performance-oriented creation to the T-SQL language underlying the Microsoft SQL Server database engine. T-SQL is vital in writing SQL statements to get information into and out of a database. T-SQL is the basis for company good judgment embedded within the database within the kind of saved methods and services. starting T-SQL begins you at the route to gaining knowledge of T-SQL, with an emphasis on best-practices and sound coding suggestions resulting in first-class functionality. This re-creation is up to date to hide the fundamental beneficial properties of T-SQL present in SQL Server 2014, 2012, and 2008.
Beginning T-SQL starts with an creation to databases, normalization, and to SQL Server administration Studio. realization 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, construction at the talents realized in earlier chapters. workouts in so much chapters provide a chance for the hands-on perform that ends up in precise studying and distinguishes the efficient specialist. vital ideas equivalent to windowing services are coated to assist write quickly executing queries that clear up genuine enterprise problems.
A stand-out function during this e-book is that the majority chapters finish with a "Thinking approximately Performance" part. those sections disguise elements of question functionality relative to the content material simply provided. They'll assist you keep away from newbie blunders via understanding approximately and puzzling over functionality from Day 1.
* Imparts most sensible practices for writing T-SQL
* is helping you keep away from universal errors
* exhibits easy methods to write scalable code for solid functionality
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Additional info for Beginning T-SQL (3rd Edition)
SalesOrderHeader table. Retrieve only those rows where the order was placed during the month of September 2005. SalesOrderHeader WHERE OrderDate >= '2005-09-01' AND OrderDate < '2005-10-01'; 57 CHAPTER 3 N WRITING SIMPLE SELECT QUERIES 2. Write a query with the same columns as question 1. Include rows where the Total Due is $10,000 or more or the SalesOrderID is less than 43000. SalesOrderHeader WHERE TotalDue >=10000 OR SalesOrderID < 43000; 3. Explain when it makes sense to use the IN operator.
Locate the IX_Person_LastName_FirstName_MiddleName index, and double-click it to view the properties. View the index properties in Figure 3-12. Notice that the LastName column appears first in the list. To take full advantage of this index, the WHERE clause must filter on LastName. Imagine searching a phone book by first name when you don’t know the last name! SQL Server must do the same thing, looking at each entry in the index, when the query filters on FirstName but not LastName. Figure 3-12.
Display only those rows in which the color is known not to be blue. Product WHERE Color <>'BLUE '; 3. Product table. Include only the rows where at least one of the Size or Color columns contains a value. Product WHERE Color IS NOT NULL OR Size IS NOT NULL; Solutions to Exercise 3-5: Sorting Data Use the AdventureWorks database to complete this exercise. 1. Person table. 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.
Beginning T-SQL (3rd Edition) by Kathi Kellenberger, Scott Shaw