Tony Andrews – författare
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4 produkter
4 produkter
Häftad, Engelska, 2012
268 kr
Skickas inom 7-10 vardagar
The Definitive Solutions-Oriented Guide to IBM® DB2® for z/OS®: Now Fully Updated for Both v9 and v10! The largest database tuning performance gains can often be obtained from tuning application code, and applications that use SQL to retrieve data are the best candidates for tuning. This well-organized, easy-to-understand reference brings together more than 100 SQL-related skills and techniques that any developer can use to build and optimize DB2 applications for consistently superior performance. DB2 tuning expert Tony Andrews (“Tony the Tuner”) draws on more than 20 years of DB2-related experience, empowering you to take performance into your own hands, whether you’re writing new software or tuning existing systems. Tony shows you exactly how to clear bottlenecks, resolve problems, and improve both speed and reliability. This book fully reflects the latest SQL programming best practices for DB2 V9 and DB2 V10 on z/OS: techniques that are taught in no other book and are rarely covered in general DB2 SQL courses. Drawing on his extensive consulting experience and highly praised training with Themis Inc., Tony also presents practical checklists and an invaluable 15-step methodology for optimizing virtually any DB2 application. Coverage includes Empowering developers on knowing what to do and where to look in resolving performance problems in queries or programsProviding many programming and SQL coding examplesEstablishing standards and guidelines that lead to high-performance SQLImplementing time-efficient code walkthroughs to ensure that your standards are followedFocusing on the small number of SQL statements that consume the most resourcesIdentifying simple solutions that deliver the most sizable benefitsOptimizing performance by rewriting query predicates more efficientlyProviding a better understanding of SQL optimization and Runstat statisticsRecognizing opportunities to tweak your code more effectively than the OptimizerOptimizing SQL code with COBOL applicationsEfficiently checking for the existence of data, rows, or tablesUsing Runstats’ newest capabilities to consistently optimize paths to data
Häftad, Engelska, 2008
186 kr
Skickas inom 5-8 vardagar
Häftad, Engelska, 2012
161 kr
Skickas inom 5-8 vardagar
E-bok
Engelska, 201240 kr
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When I started to write down what I`ve experienced over the years it made me realise there could be so much I could do to help other people. I believe for a lot of people fear is the worst,I also believe by me writing this book it has helped me deal with my fears along the way. I think anyone can give thier views and oponions thats why I`ve written FROM THAT TO THIS as I would like people to know how I dealt with my recovery and what lengths I`ve gone to so I could get where I am today.I was proberly an alcoholic by the time I was sixteen and been battling it ever since. The only way I could get my voice heard was by me writing down my experiences through substance misuse and I want people to know from me what it could do to them. What I`ve written is in my own words,there are mistakes in this book as I`ve had no help with this whatsoever. Thats what makes FROM THAT TO THIS so special.It has certainly improved my literacy,as you will read in my forthcoming book the spelling will better and believe me,if you find this book interesting then the next one is even more interesting and longer. FROM THAT TO THIS is only a little taster of what`s to come.I found all drug users drink alcohol,yet alcoholics didn`t take drugs,not at fi rst anyway.Old behaviour could of gotme into alot of trouble had Inot had self-control.