tempdb best practices

--basedir=/application/mysql/--datadir=/application/mysql/data-- User=mysql# Generate Startup scriptCP Support-files/mysql.server/etc/init.d/mysqld# Authorization for Scriptschmod 700/etc/init.d/mysqld# MySQL Start-up and boot from bootChkconfig mysqld onChkconfig--list mysqld/etc/init.d/mysqld start# View startup statusNetstat-lntup|grep MySQL# error LogTail-100/application/mysql/data/db01.err# Create a password for MySQL[Email protected] ~]# mysqladmin-uroot passwordEnter Password: oldboy123#

the need to take the value of the time to really do. But you also need to be careful about the side-effects of this mechanism, because this is likely to degrade performance by creating many, many small queries.ORM can also package your SQL statements into a single transaction, which is much faster than executing them alone.Currently, the personal favorite of PHP's ORM is: Doctrine.21. Be careful with "permalink"The purpose of the permanent link is to reduce the number of times the MySQL link is

. WriteValue (ref VT, ref CF, ref CA, ref CHL, ref rowIndex, ref colindex, ref str, ref CellFormat);}}}int ret = Excel. CloseFile ();if (ret!=0)//{MessageBox.Show (This, "error!");//}Else//{MessageBox.Show (This, "Please open file c:\\test.xls!");//}Open the Displayreturn filename;}#endregion#region to clean up outdated Excel filesprivate void Clearfile (string FilePath){string[] Files = System.IO.Directory.GetFiles (FilePath);if (Files.length > 10){for (int i = 0; i {Try{System.IO.File.Delete (

≤8) Ext_size Size of the extents, in page units object_id The ID of the database object index_id Represents the type of the data object Partition_number Partition code Rows Approximate number of rows of data hobt_id Storage unit ID of the heap or B-tree where the data is stored Let's find a database to look at the fragmentation situation:You can see that the arrows refer to

= org.hibernate.dialect.mysql5innodbdialect##### 3.1.2.2 View table engine must be innodb through command:> Show table status from mytestdb;! [] (Http://icdn.apigo.cn/blog/mysql-select-table.png) modify the table Engine:> ALTER TABLE table_name engine=innodb;##### 3.1.2.3 Note the namespaces that introduce @transactional @transactional annotations come from org.springframework.transaction.annotation packages, not javax.transaction.### 3.2 automatically generated by name SQLJPA supports the metho

　Database design is one of the key points of the entire program, in order to support the operation of the relevant programs, the best database design is often not possible, can only be repeatedly explored and gradually refinement, this is a complex process, is planning and structured database data objects and the relationship between these data objects process. Here are 20 best practices for database design, and of course, the best is to see if it fit

　　Database design is one of the key points of the entire program, in order to support the operation of the relevant programs, the best database design is often not possible, can only be repeatedly explored and gradually refinement, this is a complex process, is planning and structured database data objects and the relationship between these data objects process. Here are 20 best practices for database design, and of course, the best is to see if it fi

' newly created partition function ' end--partitioning scheme if exists ( SELECT * from sys.partition_schemes where name [emailprotected]) BeginPrint ' Here the modification needs to be executed before modifying the partitioning scheme ' endelsebeginexec ( ' CREATE PARTITION SCHEME ' [emailprotected]+ ' as PARTITION ' [emailprotected]+ ' to (' PRIMARY ', ' [email protected]+ ') print ' newly created partition scheme ' EndPrint '---------------The following is the variable definition value displ

information such as interpreter and author at the beginning of shell scriptAutocmd bufnewfile *.py,*.cc,*.SH, *.java exec": Call Settitle ()"func settitle ()ifExpand"%:e") =='SH'Call Setline (1,"#!/bin/bash") Call Setline (2,"#Author: Yang Yuanqiang") Call Setline (3,"#Blog1: http://aqiang.blog.51cto.com") Call Setline (4,"#Blog2: http://www.cnblogs.com/ivan-yang/") Call Setline (5,"#Time:". Strftime ("%F%T")) Call Setline (6,"#Name:". Expand ("%")) Call Setline (7,"#Version: V1.0") Call Setlin

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);Mactextview.settokenizer (New Multiautocompletetextview.commatokenizer ());}5, using ToggleButton button and ImageView control to achieve the switch effect:First, the ToggleButton button and the ImageView control are established in the XML file, and then they are initialized in. Java, implemented in this class. Oncheckedchangelistener interface,A method is then used to listen for Tb.setoncheckedchangelistener (this) after initialization is completed, and finally, a three-mesh operator is used

, including: domain specific language (DSL)-specific language Integrated Query (LINQ) object-oriented domain object models (data-oriented) and support for Composite data types. After all,. Net entityframework is a product that needs to consider the needs of a wide range of users, so it also includes some anti-DDD elements. After discussing the entityframework practices of classic DDD, this series of articles also introduces two extended topics: Serv

I have been too busy over the past few months, and I have never been able to shut down my blog, however, we have spent a lot of effort on the Development of Android + PHP best practices in huazhang education and China-Pub. Here we will give you a brief introduction: this series of video tutorials can be said to be the only one on the market that has been developed to the PHP server across Android mobile clients. I have been too busy over the past few

"Editor's note" Software development and procurement staff often have some questions about existing software development methodologies, techniques, and tools. In response to these questions, Kevin Fall has compiled five software topics: Agile at scale,safety-critical systems,monitoring software-intensive System Acquisition Programs,managing intellectual property in the acquisition of Software-intensive Systems, and managing operational Resilien Ce. The first of the series focuses on the Agile at

No best practices Chen nengtech 2007-7-24 Article 1 of the seven basic principles of context-driven testing: The value of any practice depends on its context. The value of any practice depends on the context of its application. For this principle, James Bach made an in-depth analysis in "no best practices: how to think about methodology. There is no best practice. Not most people think that g

Nine best practices that DevOps must understandGuideDevelopment and O M best practices seem to be more important than ever. On the one hand, due to the rapid development of mobile and IOT technologies, enterprise development teams are facing an increasing pressure to deliver more applications at a faster speed. In December 2015, Gartner predicted that "by the end of 2017, the market demand for mobile appli

Development and implementation of the business intelligence platform for Small and Medium Enterprises (data warehouse, Bi system, and real project practices)Course category: data and data warehouseSuitable audience: elementaryLesson count: 76 lessonsTechnologies used: Data Warehouse, Bi system, and real project practiceInvolved projects: business intelligence platform for small and medium-sized enterprisesConsult QQ: 1840215592Course content Introduct

Recently, several articles on TDD and thoughtworks have been written in coolshell.cn, and the students of Todd Wei in the garden also wrote an article on whether TDD is beautiful or not. I didn't want to talk about it, but I still want to talk about it. Statement:I don't want to talk about thoughtworks in this article. It's a bit difficult to say anything bad about her. She's my East house. If you want to say something nice to me, you may not believe it. I just want to say that if you want to kn

Programmer A has met programmer B. "Scrum is terrible," said programmer. "Why? I heard that SCRUM is good. Our company is also preparing to implement scrum ." Programmer B answers. "Never, you will regret it ." "Are you implementing real scrum ?" "Of course, we have three roles, four meetings, and three products in scrum ." Agility is very simple, but extremely difficult. Agile Methodology consists of a series of agile practices, but when people imple

How to make your Silverlight ApplicationProgramHigh performance, fast and smooth operation? From the very beginning, we should know what practices will lead to poor performance of your Silverlight application? Which of the following best practices can improve the performance of our Silverlight application? Silverlight performance-related Article Recommendation These articles on Silverlight performance and