execution

Objects | data | database | statistics If Oracle uses cost analysis when executing SQL, all cost analysis sources rely on the system's statistical analysis table (Dba_tables, dba_indexes, dba_tab_columns) data, if the statistical analysis data is

server| Recovery | data | database There are two ways to backup a SQL Server database, one is to back up the database files using Backup databases, and the other is to directly copy the database file MDF and log file LDF. The following is a major

server| Data | database | Statement SQL SERVER Database Management Common SQL and T-SQL statements 　　 1. View the version of the database SELECT @ @version 2. View the machine operating system parameters of the databaseEXEC master.. xp_msver 3.

oracle|server| Data | Database because the project needs to convert a database of previous Oracle to SQL Server, the database is migrated using SQL Server DTD today, but after import, only the table structure and data are imported. and table some of

Installation of the VSFTP server Installing a software is really not to be introduced here, therefore, the installation here is mainly for the primary configuration of the VSFTPD server. This is my rookie to learn Linux wrote the first article, is

IIS returns a numeric code that represents the state of the request when a user attempts to access content on a server that is running Internet information Services (IIS) through HTTP or File Transfer Protocol (FTP). The status code is recorded in

iis| Error 400 cannot resolve this request. 401.1 Unauthorized: Access denied due to invalid credentials. 401.2 Unauthorized: Access was rejected because the server configuration tended to use alternate authentication methods. 401.3 Unauthorized:

iis| Error | server The reason for the IIS server error is complex. Errors such as service startup failure, an IIS process outage, or a site failure to start will record an error event in the system log. Regardless of what is wrong with IIS, you

Here are eight ways to improve the efficiency of IIS 5.0 Web server execution: 1. Enabling HTTP persistence can improve the efficiency of 15~20% execution. 2. Not enabling logging can improve the efficiency of 5~8% execution. 3. The use of a

Installation Configuration Apache2 1. Download the latest source code package to the Apache (www.apache.org) Official website 2. With TAR-ZXVF apache_[version].tar.gz decompression, get a directory 3. Enter directory

Many Web servers are installed in Windows 2003 Server system environment, but in the default state of the server system there are many security vulnerabilities, many hackers or illegal attackers often take full advantage of these vulnerabilities, to

So far, there is no objection to the threat of Cross-site scripting attacks. If you are proficient in XSS and just want to see what good testing methods are available, skip to the test section of this article. If you don't know anything about it,

Core tips: CSS execution order and priority problem is actually a conflict resolution problem, when the same element (or content) is selected by the CSS selector, it is necessary to choose different CSS rules according to priority, which involves a

Article Introduction: the ordering of arrays in JavaScript. JavaScript provides the sort () method and the reverse () method so that we can simply sort and reverse the array. which If you do not specify a comparison function in the sort

Article Introduction: javascript face test. Requirements: 1, only in the designated location to fill out their own code, the other code in this document can not be modified 2, all topics are not allowed to add global variable

Article Introduction: jquery is currently the most widely used JavaScript library of functions. According to statistics, the world's top 1 million websites, 46% use jquery, far more than other libraries. Microsoft even took jquery as their official

When you develop Web pages, we often experience the following situations:1. A label is only to trigger the onclick behavior;2. Performance should have the mouse pointer pointer display, or other similar to a label visual effects.For example, in

Article Introduction: Our common script tag has two properties related to performance, JS file download execution: Defer and async. We often use the script tags, there are two and performance, JS file download implementation-related

Article Introduction: about the use of controljs and basic explanation. There are altogether three articles about Controljs, this is the first part. Controljs is a module that lets the script load faster (a JavaScript module for making

asp3| Control With the introduction of PHP4.0 and JSP technology and the significant security issues that continue to occur in IIS, Microsoft's ASP market seems to be narrowing, but Microsoft will not give up, so on the basis of ASP2.0 launched the