ASP.NET Web PDF Document Viewer/Editor Control Library

PeopleSoft for the Oracle DBA: David Kurtz provides a survival guide for any Oracle DBA charged with maintaining a PeopleSoft application The book shows you how to effectively implement common Oracle database administration techniques using the PeopleSoft toolset, how to analyze application activity, and how to obtain the critical data that will allow you to track down the causes of poor performance Mastering Oracle SQL and SQL*Plus: Lex de Haan covers the SQL fundamentals in complete and accurate detail with a wealth of nontrivial examples that clearly illustrate how to use the SQL language in an effective manner Lex has knowledge you can trust: he has 14 years of experience with the Oracle database and 25 years of teaching experience, and he is a member of the ANSI/ISO SQL standardization national body.

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Figure 14-1. The simple web application from Listing 14-1

Traditionally, SQL Server database development is done in Transact-SQL (T-SQL) This language is designed to make it easy to write database queries such as selects, inserts, deletes, and updates In fact, such queries in T-SQL are syntactically similar to everyday English Furthermore, T-SQL has many built-in functions that perform calculations on a particular column of a table for a set of selected rows For example, this T-SQL query averages the unit price of all products in each category SELECT CategoriesCategoryName, AVG(ProductsUnitPrice) FROM Products INNER JOIN Categories ON ProductsCategoryID = CategoriesCategoryID GROUP BY CategoriesCategoryName This demonstrates the power of T-SQL In one statement, this code joins the Products and Categories tables by their respective CategoryID columns, computes the average UnitPrice for all products in each category, and then returns the calculated average UnitPrice for each category.

We hope that every book published by OakTable Press will be imbued by the qualities that we admire: they will be scientific, rigorous, accurate, innovative, and fun to read Ultimately, we hope that each book is as useful a tool as it can possibly be in helping make your life easier Best, Mogens N rgaard Managing Director of Miracle A/S (http://wwwmiracleasdk) and cofounder of the OakTable network.

You need to enable a number of configuration settings in order to ensure you can use your local machine as an experimental development web server When using Visual Studio, by far the easiest way to get going with developing web applications is to use the local web server built into Visual Studio itself, which is invoked when you run ASPNET projects using F5 This starts the built-in web server using a random port and opens the default page by constructing a URL such as http://localhost:59120/Time/timeaspx Another option is using Microsoft s IIS web server; here you can deploy web applications under separate folders in the main web root folder, for instance, c:\inetpub\wwwroot\Time, and these can then be accessed via URLs such as http://localhost/Time/timeaspx Here are some tips for doing this: Ensure that ASPNET support is enabled in IIS.

n this chapter, you ll learn how to set up an environment so that you can test the example code in this book. You ll also learn about some common utilities for benchmarking performance used throughout this book. The chapter covers the following topics: Setting up your SQL*Plus environment Setting up the SCOTT/TIGER demonstration schema Setting up the BENCHMARK/BENCHMARK schema, which we ll use throughout the book for executing some of our code examples Setting up sql_trace, timed_statistics, and tkprof, two parameters and a commandline tool that will tell you what SQL your application executed and how that SQL performed Setting up and using various performance tools, including the runstats utility and its Java counterpart, JRunstats Using the JBenchmark class to time Java programs in general Note that I provide only basic setup instructions here for the various performance tools, so that you may quickly configure your environment to run the examples in this book. For full instructions and information on how to interpret the data that these tools provide, refer to the Oracle documentation set or a relevant book, such as Thomas Kyte s Expert One-on-One Oracle (Apress, ISBN: 1-59059-243-3). The Java utility JRunstats invokes stored procedures from the Java program using the JDBC API you will learn about stored procedures in detail in the 6.