Getting Startedwith pureQuery

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92 Getting Started with pureQuery D. all of the above 6. If the developer has a data model enforcing data privacy associated to a connection in the DSE, how would the user choose to see in the SQL Outline only those SQL statements containing columns with the information flagged as private? 7. The SQL Outline may not always show all the statements found within the source code of your pureQuery enabled project. One possibility could be that the statement string was assigned to a variable and the variable was passed to the JDBC method that prepares or executes it. What would the user need to do in order to view all statements that were executed by the application regarless of how they appear in your source code? 8. How do you enable the capturing of SQL statements that are executed within your pureQuery enabled project?
5 Chapter 5 - Developing for performance In this chapter we will discuss how tools can help you gain better insight into the performance of specific SQL statements and get advice to improve and tune your database. Later chapters will discuss ways pureQuery can help you solve the performance problems you might uncover in this chapter. Chapter 6 and Chapter 7 will discuss how through client optimization you can collect SQL statements and then use the pureQueryXML Editor (Chapter 3) to replace a specific statement with an optimized one in order to increase performance. Chapter 4 will introduce how, through tooling, you can use the Static Binder utility and create database packages to run static SQL and increase performance when executing your application. 5.1 Developing for performance: The big picture With ODS, through the SQL Outline, you can gain insight into how much time was spent executing a specific SQL statement and how often was that statement executed. You can also gather and view Explain data to quickly to find the most costly queries. Figure 5.1 - Identify the SQL statements and the frequency of their execution
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G E T T I N G S T A R T E D W I T H
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Notices This information was develo
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Trademarks IBM, the IBM logo, DB2,
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1 Chapter 1 - Introduction to pureQ
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Chapter 15 - pureQuery and pureXML
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A Appendix A - Solutions to the rev
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B.1.3 The “Employee Information
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C.4.1 IBM Optim Development Studio
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E Appendix E - Options Files This a
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