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China Telecom CEO Chang 13th in "China Telecom Mobile Terminal Industrial Cooperation forum" revealed that China Telecom CDMA network plans to add 35 million users this year, to 2010 China Telecom mobile users to more than 100 million. In order to occupy the first advantage in the 3G era, China Telecom Tianyi Terminal Company deputy general manager Ma Wu said that China Telecom's 3G mobile phone (CDMA EVDO format) will start in the next month commerc

Microsoft has just been insecure aboutSHA1the signature algorithm deprecation policy sets the schedule, the detailed deprecation policy ,Browse. Googlealso planned, expected to be theyears OneMonth passedChrome39gradual decrease in version browserSHA-1Certificate Safety instructions and warnings to phase out the use ofSHA-1The hashing algorithm is supported by the certificate. And it's going to affect -years AMonth toafter the expiry of the certificate, you can find out about the proposed plan

Maintenance plans that are automatically performed on a regular basis: Rebuilds the index with the new fill (duty) factor to reorganize the data on the data and index pages. This ensures that database pages contain equally distributed data and remaining space, which allows for faster growth in the future. Remove an empty data page from the database page to compress the data file. Update index statistics to ensure that query optimization has table-dis

In a recent study of the Dbms_stats package, the following is a description of the execution plan based on the difference in granularity values, and we specify several parameters for the table or index statistics through the Dbms_stats package, which is global, Partition and Subpartition. I'll use a number of examples to illustrate how global information and partitioning information affect execution plans. My environment: Os:oracle Enterprise Linux

It's probably not too late to write a 2012-year plan. Haha, has been March, and now the mood has just settled down, a period of time before the emotional chaos, the work of the things are very depressed, to take a step back to endure it, after all, I do this project is very content, but also I hope to do. Well, in that case I need to plan the rest of the time well. 1, or to read, focus on the Linux kernel and drive, and appropriate to add OpenGL, OpenCV Two aspects of knowledge is required grap

"Sina Science and Technology," Beijing time July 3 morning news, according to AFP in Thursday, in the recession led to a decline in net profit, Oracle plans to cut the European region up to 1000 employees, accounting for about 1% of the total number of employees around the world. Agence France-Presse reported that the labor union in Monday and Tuesday, held at the Oracle's European Staff committee meeting to learn about the layoff news. Oracle spokes

"NetEase technology News" July 22, the Siemens group plans to lay off more than 1400 people to complete the 2009 fiscal year profit target. Marc Langendorf, the Siemens spokesman, said Randolph, a branch of its manufacturing building control system, would cut 300 employees and involve businesses in countries such as Germany, the UK, Switzerland and Sweden. As a German manufacturing giant, Siemens has a very diversified business and has great influenc

retrieving, pushes the condition customer_id>=300 AND customer_id to the storage engine layer to complete the filtering, which reduces unnecessary IO access. Extra Using index condition uses ICP optimization as a representation.Reference"In layman's MySQL"The thing about the code.Public Number:Source: http://songwenjie.cnblogs.com/Statement: This article for Bo Master Learning sentiment Summary, the level is limited, if improper, welcome correction. If you think it's good, just click on the "re

Label:Command>host Ttxactadmin TtwindCommand>call Ttsqlcmdcacheinfo (135710768);2014-12-30 16:07:54.311/app/timesten/timesten/ttwind/info/datastore/ttwindTimesTen Release 11.2.2.7.0Outstanding locksPID Context transid transstatus Resource ResourceID Mode sqlcmdid NameProgram File Name:timestenorad9100 0x7fe5ac0811e0 8.2397 Active Database 0x01312d0001312d00 IX 0Table 1798032 W 10739348336 SCOTT. TblordersRow bmufvuaaaabaaaajbv S 10739348336 SYS. TABLESRow Bmufvuaaabhfqaaehm Sn 10739348336 SYS. C

Sub-query, also called nested query.A query statement is used as a result set for other SQL statements, just as a query statement that is treated as a result set is called a subquery, as with a normal table. There are two types of sub-queries:One is to return only a single-valued subquery, at which point it can be used where a single value can be used, when a subquery can be considered a function that has a return value;Another is a subquery that returns a column of values, at which point the su

file, and in this window select the database file (suffix) you want to attach . MDF) 4. Click " OK " button to complete the installation of additional database files, click the OK button to complete the database additional tasks. Statement: 1. Change the name of the database 2. Add columns, delete columns if there is data in the table 3. examples of the use of various query statements in SQL Server 4. The statement of the fuzzy query 5. sort statements, sort and check the top three stat

|--------------------------------------------------------------------------Query Block Name/Object Alias (identified byoperation ID):------------------------------------------------------------- 1 -sel$1 /Emp@SEL$1Outline Data------------- /*+ begin_outline_data Full (@ "sel$1" "EMP" @ "sel$1") outline_leaf (@ "sel$1") all_rows db_version (' 11.2.0.1 ') Optimizer_features_enable (' 11.2.0.1 ') ignore_optim_embedded_hints end_outline_data*/predicate information (identified byoperation ID

good one scheduled execution of the SQL statement task schedule. In addition, we can create a new job and pull the job into the maintenance plan after the new job is completed.SQL Server Agent-JobsNew job:Steps:New command:You can select a databaseWrite the SQL statement you want to execute, click OK, and the job is created. Then you can pull a job into the maintenance plan:Pull into Design view:Modify Job Task-click Edit-Select the job that we just added:Then click Finish to:This creates a job

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　　White Cat Plan How to get the white statue? Players as long as the game through the small new level can get the system presented white statue , the player can be found in the town building in the "warehouse" to find small white statue Click can

I've been in touch with Linux for years, at least for 5 years. Recently the company is engaged in internal training, everyone can enroll in training others. Think of yourself in the Linux immersion for many years, should come out a force. Always

The Daily tasks are: 1 complete backup or differential backup of the database on a regular basis. 2 regularly clean up the backup files, because the storage space is limited, you may need to save only a period of time files (such as a week or

Topic From the title look, finally a bit into the feeling, is not it. Next Zed is going to teach us the simplest way to use a function. New Knowledge A function is a piece of code that can be run repeatedly, using functions to improve the reuse of

How to intervene in the execution plan--Using hints hints The cost-based optimizer is smart, and in most cases it chooses the right optimizer to ease the burden on the DBA. But sometimes it is clever to be mistaken, choose a bad execution plan, make

Internet N years ago, Caoz wrote a number of "network success" of the rubbish article, some old friends may remember, yes, it is rubbish. At any time, caoz back to look at the things written before, there is a kind of unbearable 卒读 feeling, always