linex reading

Http://www.cnblogs.com/maybe2030/p/4592153.htmlRead this article today, quite touched, has been quick grind three, read research learned what, get what. Also saw some of the other side of the evaluation, from the Baidu Post bar:http://tieba.baidu.com/p/3731911838 Although Baidu posted in the description, estimates that the majority of the domestic science and technology graduate students in the current situation. People still have to look on the good side, excerpts from the paragraphs that know

Tags: Database spatial statisticsSummarythe an important task when performing performance optimizations for SQL Server databases is to optimize the IO overhead. By turning on Statistics io, we can understand the IO overhead of statement execution , including physical reads, logical reads, pre-reading, and so on. And do we know the difference between the three and the connection, I believe many people are not very understanding, let us explore together

[Reading Notes] September Reading Notes, September Reading Notes The two books I 've been reading recently feel pretty good. They are helpful for self-improvement. Let's simply record and share them with you, reading a book is probably one of my favorite things in college. I

Label:ObjectiveThe content of this article is not original, is to record themselves in the learning Io, the implementation of the plan in the process of learning other Daniel's blog and experience and record, the reason is to write down in order to record their own in the process of tracing several problems, and to clarify these issues. The original address has been posted at the end of this chapter. 1. How SQL Server data is storedTo understand the three concepts of logical

condition, and Transaction 2 inserts a new line that matches the search criteria for Transaction 1. If Transaction 1 re-executes the query that produced the original rows, it will get a different row.Read_uncommitted: Dirty read, non-repeatable read, Phantom Read (no lock when reading data)Read_committed: A non-repeatable read, Phantom read problem "locks the rows being read. Add a read lock before reading

With the rapid development of intelligent mobile terminals, people's electronic reading methods are also changing. From the user download TXT document, to package the download of the collection of applications, and now by the Internet companies to provide real-time updates to the reading tools, users can see more and more rich content. The reading terminal, being

Reading books together-reading books in PHP and reading books in php We had to learn about android, and PHP started to read books. Two 500 + books, 45 days not enough, a little busy... The bloat in the morning is just a music stick. Keep a long memory ........ 1. PHP + MYSQL Development Guide (1) I. database applications and web 1. In this book PHP + PEAR f

Micro-Letter Reading free Reading tutorial: In the mobile phone we open to find "micro-letter reading" and then we can find a book, we can click on the book to enter, you can also use search to find books; If the home page did not you want to find us as long as the search, here you can search for the title of your favorite, of course, there are also so

READ transaction isolation level and with the Innodb_locks_unsafe_for_binlog sy Stem variable disabled. In the, InnoDB uses next-key locks for searches and index scans, which prevents, phantom rows (the "Avoiding the Phantom Problem Using next-key locking"). By default, the InnoDB operation at repeatable READ transaction isolation level, Innodb_locks_unsafe_for_binlog system variable is disabled in this case, InnoDB uses next-key locks for Search and index scans provide a protection agains

How to solve the micro-letter public number anomaly: December 16 News, today morning, some netizens reflect, micro-letter public number reading abnormal, point praise and reading number and the actual situation is several times worse. Take the public number "serious gossip" for example, usually the account headline reading volume is 100,000 +, today as of Press

Article Description: Tencent loves to fancy the details of the flaws. Tencent loves to see (icare) is Tencent's ipad-reading app, which integrates the top media content, creates a good reading experience on the ipad by reformatting it, and shares it with Tencent Weibo. But in its interaction and product function, there are still many flaws in the details, you can explore, personal opinion, perha

PHP_Bibel reading and learning (1) -- reading books and reading classics, writing text and writing code-Ren also quickly looks at it, and then there are new and interesting reading every day. This book is well received by many people, such as 'php and MySQL Web developer', the mechanical industry Publishing House, and

Generally we are familiar with the four kinds of isolation modes of business, from pine to strict in order:-READ UNCOMMITTED (READ UNCOMMITTED): Dirty reads, Phantom reads, non-repeatable reads may occur in this mode-read Committed (Read Committed): Phantom read, non-repeatable read in this mode-repeatable read (REPEATABLE Read) : Phantom read-serial (Serialize) may occur in this mode: No phantom read so dirty read, Phantom Line, non-repeatable read what does it mean? -Dirty Read: Other transac

To the KK Live software users to detailed analysis to share the start of direct reading settings method. Method Sharing: 1, open the Reading Star, click on the lower right corner of the Avatar button. 2, click "Settings" 3, click "Reading Settings" 4, open the "Next start direct reading