optimization book

Oracle Performance Diagnosis art (milestone book on Oracle Database optimization) [Original book name] troubleshooting Oracle Performance[Original Publishing House] apress[Author] (Swiss) Christian antognini [same as the author's work] [Translator's introduction][Translated by] Tong Jiawang; Hu Yiwen; Feng dahui [same translator's work][

The optimization of a website is a step-by-step process, a long process. Since this is the case, do site optimization must have a holistic strategy and planning book, otherwise the site optimization process is difficult to form a complete system. Whether it's a big website, or a small site, I think there must be a whol

"Book Review: Oracle Query Optimization Rewrite" chapter fourth Blog Document structure diagram 650) this.width=650; "title=" wpse60b.tmp "border=" 0 "alt=" wpse60b.tmp "src=" http://s3.51cto.com/wyfs02/M00/6D/0B/ Wkiom1varbyhcepqaabjdaqoiyu258.jpg "" 291 "height=" 192 "/>I. 1 guideTechnical enthusiasts, after reading this article, you can master the following skills, you can also learn some other knowledge

Tags: implementation mechanism originally page organizes tables based on free article content index ClustFollowing the book on SQL tuning (SQL tuning or SQL optimization) in the essentials of high-performance SQL tuning and case resolution, we talk today about one of the most important core mechanisms of SQL tuning technology and half of the work-index (index) in every major relational repository. We know t

This book provides a detailed introduction to the fundamentals of Java virtual machines and the optimization of diagnostic methods. It focuses on the Java Virtual Machine architecture, common virtual machine parameters, Java Virtual Machine garbage collection principle, algorithm and the current virtual machine support of the various garbage collector and its differences, characteristics and usage methods.

I started writing this book for more than 40 days. During this period, many enthusiastic netizens sent very good suggestions and received support from colleagues and friends, the progress is still smooth. Due to various reasons, we decided to suspend the two I started writing this book for more than 40 days. During this period, many enthusiastic netizens sent very good suggestions and received support from

After the completion of the test scores of students and the score of each single division and the total score is our teacher here must do the homework. In the WPS table, calculate the student total score using the SUM function, with the rank function to arrange the position, which is also known to every teacher. However, there are always some special circumstances in each exam students lack of examination. If we calculate the total score by the actual score and arrange it, it is obviously unfair

= Phones.getcolumnindex ( ContactsContract.Contacts.DISPLAY_NAME); final int phoneindex = Phones.getcolumnindex ( ContactsContract.CommonDataKinds.Phone.NUMBER); String phonestring, Displaynamestring, Contactidstring;while (Phones.movetonext ()) {Linkmanform LinkManForm = new Linkmanform ();p honestring = phones.getstring (phoneindex);d isplaynamestring = phones.getstring (DisplayNameIndex); contactidstring = phones.getstring (Contactidindex);}} catch (Exception e) {log.e (TAG, E

Android address book read optimization Acceleration 1. When reading the address book at a time, try to read as few attributes as possible, especially when the list is displayed, it will make the loading speed of your list unbearable. We recommend that you load a few attributes first, then, all attributes are loaded at the time of details. 2. When reading a type o

. The WHERE and order statements of the LEFT join can be written after the on statement9, the internal connection is equivalent to the direct where two table fields are equal, only two tables matching data appearsFully connected two tables all records appear, mismatched items are displayed as nullThe left and right connections can be written in the where association, just like the normal two tables, but with the (+) in front of the table condition:Select a.code_id,b.* from AD_HP A, Bureau bwhere

Now a lot of seoer into a company's first thing is familiar with the company, the second step I am afraid to write optimization program it, the following is my entry into the company to write the SEO program. If you are a veteran on the float, I hope that the novice has a certain degree of help. Golden Rich website SEO optimization plan first, the website basic information 1. The search engine collects t

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Book inventory plays an important key business data for warehouse management operations in books. Development at any age now promotes blood circulation in books, book types and update speed are just as fast rising.In order to ensure a foothold in the book industry, to ensure the correct purchase and inventory control and delivery. In order to avoid the backlog of

. At the same time, it will introduce some shader debug techniques, shader common error messages. Shader Intermediate: This is the advanced chapter, will explain more complex lighting, high-level texture, and how to use shader to achieve a series of advanced content such as animation; Shader Advanced: It covers some of the advanced uses of shader, such as the use of buffers, the implementation of screen effects, non-photorealistic rendering, and also introduces some

IOS Address Book programming, listening for system address book changes, and ios address book Listen for address book changes The client code must be implemented as follows: /* Remove the registration function */-(void) dealloc {ABAddressBookUnregisterExternalChangeCallback (_ addressBook, ContactsChangeCallback, nil)

well.Overall structureI have divided this book into five chapters: Basic article: This is a very important chapter, mainly for beginners to popularize basic theoretical knowledge, as well as the necessary mathematical basis. I understand that many people do not understand some of the material on the Internet, I try to speak as popular as possible. Shader Elementary: Start with the simplest shader, and explain the basic lighting models, t

well.Overall structureI have divided this book into five chapters: Basic article: This is a very important chapter, mainly for beginners to popularize basic theoretical knowledge, as well as the necessary mathematical basis. I understand that many people do not understand some of the material on the Internet, I try to speak as popular as possible. Shader Elementary: Start with the simplest shader, and explain the basic lighting models, t

IOS customs clearance book, Android can be imported, ios customs clearance book android 12 books, iOS, Swift, and Objective-C classic, and UI and security. 1. iOS development guide: from basic to App Store (version 3rd) (best-selling new iOS book) Author: Guan DongshengBook No.: 978-7-115-38776-9Pricing: 99.00 RMBStart: 16Page: 452 Swift and Objective-C bilingu

SQL General optimization scheme:1. Using parameterized queries: Prevent SQL injection and precompile SQL commands for increased efficiency2. Remove unnecessary queries and search fields: In fact, in the actual application of the project, many of the query conditions are optional, can be avoided from the source of redundant functions as far as possible, this is the most simple and rough solution.3. Select the most efficient table name order: The databa

in Chapter 5 of this book, section 5.10.2 converts division into multiplication (Chinese p133 page). In this section, there is a sentence: in mathematics, the 32-bit right shift will bring an error E2. The first question: what is the error here and