google plan

I. Basic Concept: Oracle started at 11g and provided a new method for fixed execution plans, namely, SQL plan baseline, Chinese name SQL Execution plan baseline (baseline for short ), it can be considered as an improved version of OUTLINE or SQL profile. Basically, its main functions can be summarized as follows: 1. The execution plan of a given SQL statement is

official documentation, the connection type should be eq_ref, This problem has been plaguing me for two days. I have not found any articles on google and stackoverflow that can explain this problem. Why can't I solve this problem? With the determination to solve this problem, I read the MySQL official documentation again today. In the query optimization section, we can see that MySQL can more efficiently use indexes on columns declared to have the sa

Jaiku, a not-very-successful Google Buzz, a dead Google Wave, and Orkut, which is popular only in a few countries, have just been released. after that, google finally posted a Facebook community website Google + in the community website domain. It is said that Facebook has a very large source of information and devel

How can I check whether Google map add-on exists on the android real machine? Not all android real machines contain Google map add-on. To build Google map add-on, you need to discuss it with Google. However, if we develop an android application that uses Google map add-on

The trademark competition for the popular search engine Google (the Chinese name "Google") came to an end yesterday. Beijing Haidian District People's Court ruled that Beijing Google Technology Co., Ltd. (hereinafter referred to as "Beijing Google") constituted unfair competition and was sentenc

Post an old article! Implementation and Application of Google Hacking Google Hacking is actually nothing new. I saw some related introductions on some foreign sites in the early years. However, since Google Hacking did not pay attention to this technology at the time, I think that at most it is only used to find unrenamed MDB or webshells left by others, and the

Google's mobile phone map has been heard of for a long time and occasionally used it, but it has never been used carefully, because I am too familiar with maps and have no habit of using the mobile phone network, so they are all casual games. I just got a good mobile phone today, with a super high pixel and a Windows Mobile 6.1 system, so I used it to play with Google Maps, maybe Google's mobile phone maps have changed a lot, but it's not a false one.

There are many interesting topics about Google employees. Although everyone knows that Google's office allows dogs, other situations inside Google have always been mysterious. Last month, I wrote a new Googler experience in Google. This time it was my turn to ask for more information. Please note that I used double quotation marks to introduce "employee" in the t

Google down the right and Google sandbox may be every webmaster to do the station process have encountered problems, Google down right and Google sandbox casually appear one can let webmaster headaches half-day, more headaches is Google down right and

1, what is Google rankings optimizationGoogle rankings optimization is actually part of search engine optimization, also known as Google's left ranking optimization. Designed to optimize the natural rankings on the left of Google search results. The effect is that by optimizing the rankings on the left side of Google, your site will be ranked even more in front o

become a real Google if Google replaces Linux with Windows. Zemlin also stressed the security of Linux. Now the platform has been proven to be secure, and the transaction system for large amounts of money, such as the Chicago Stock Exchange, uses Linux. Zemlin also said that the use of Linux is very low. "Although Linux is the cheapest platform, its advantages are not only reflected in the price," he said.

To analyze the performance of a query, you can view {Tagshow (event, '% D6 % B4 % D0 % D0 % BC % C6 % BB % AE ');} "Href =" javascript:; "target =" _ Self ">Execution Plan. Execution Plan description {Tagshow (event, 'SQL ');} "Href =" javascript:; "target =" _ Self ">SQL{Tagshow (event, 'server ');} "Href =" javascript:; "target =" _ Self ">ServerHow the query optimizer runs (or how it runs) a specific que

Always like to use Google and Firefox, but the browser default features are very few, the interface is not very good, so this time you need browser three great artifacts: extensions, scripts, Styles . Google Chrome Plus, I call him that, in fact, is a green portable multi-functional Google browser , is my first custom version, is made with shuax patches, we can e

Goole Hacker (Google hack) Google Hacker-IntroductionGoogle Hacker (Google hacker) uses Google's search capabilities to find information that hackers want to find. The general is to find the site backstage, network management of personal information, can also be used to find someone on the network activities. Google

There are a lot of interesting topics about Google employees. Because while everyone knows that dogs are allowed in Google's office, other things inside Google remain mysterious. Last month I wrote a new Googler experience in Google, this time it was Philipp, but he got more information. Notice that I have quoted "employees" in double quotes in the title of this

Tags: oracle11g SQL tuning cursor Sharing SPM ACS1. Introduction Oracle DATABASE11GR1 introduces SQL Planmanagement (SPM), a set of new tools that allow DBAs to capture and maintain an optimal execution plan for any SQL statement, limiting the Refresh optimizer statistics to existing application changes, Even the impact of database version upgrades. This article helps to understand the principle of SPM and gives a brief description of its performance

Why does the SQL execution plan change? Why does our SQL statement execution plan change? How can I stabilize the execution plan of an SQL statement? To answer the 2 questions above, we need to first know how the SQL statement execution plan is generated, and those factors that affect the generation of the execution

Brief introduction The nature of the SQL statement we write is simply the logic to get the data, not the physical path to get the data. When we write SQL statements to SQL Server, Query Analyzer parses statements sequentially (Parse), bindings (BIND), Query optimizations (optimization, sometimes referred to as simplification), execution (Execution). In addition to the execution steps, the first three steps are followed by the execution plan, where SQ

At a lecture, Jon Wiley--google's "UX Designer" (User experience Designer) mentions Google's top ten design principles. 1. useful (useful): Focus on the user, pay attention to their life, work and dreams. 2. Quick (Fast ): Try to save every millisecond. 3. simplicity (Simple ): Simplicity is power. 4. Charm (engaging): Can arouse Novice's curiosity, can attract the senior user. 5. Innovation (Innovative): the courage to innovate. 6. General (Universal): the worldwide applicable design. 7.

Recently the company needs to participate in an international show, need to integrate Google Maps and Google search apk, attention is the source code integration. In this process encountered a number of pits, summed up to hope that everyone attention, after encountering similar problems can be consulted.As we all know, the source code integration APK mainly has two forms, one is pre-installed to/system/app