Today found that the deder MYSQL time field, are used `senddata` int (10) unsigned NOT NULL DEFAULT '0'; Then find this article online, it seems that if the time field is involved in the operation, int better, a To retrieve the field without conversion operations, directly for time comparison! Second, the efficiency is higher as described below. In the final analysis: int instead of the data type, more efficient. Environment: Windows XP PHP Versio ...
When you develop a Web site using the Entity Framework in. Net 3.5, you encounter a problem: When you add a record, you cannot use the default value of the database for datetime-type data. The specific situation is this, my database has a users table, three fields, Id,username,createtime. ID is int type, since growth, primary key username is Nvchar (10) type, not allowed to be empty createtime is da ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall before writing a paging stored procedure, we first create a test table for the database. This test shows that there are 3 fields, called Order, which are or_id,orname,datesta; The following creates a table script: CREATE TABLE [dbo]. [Orders ...]
Kforge is a systematic project for managing software and knowledge. It reused the best available tools, such as http://www.aliyun.com/zixun/aggregation/9591.html "> Version control System (SVN), bug Management (TRAC), and a wiki (TRAC or MoinMoin) to make their system their own facilities (items, users, permissions, etc.). Kforge also provides a complete Web interface for ...
Http://www.aliyun.com/zixun/aggregation/11208.html ">microsoft Office Access (formerly known as Microsoft Access) is a relational database management system published by Microsoft. Combined with the Microsoft Jet Database Engine and graphical user interface features, it is one of the members of Microsoft Office. ...
PHP Ads Click Statistics Code, last night there are several IDC network to work with this site to put some ads, but I want to see the effect of advertising after the write a simple advertising statistics code, here is only the statistics can not IP restrictions or nausea click and so on. First, create the database. CREATE TABLE IF not EXISTS ' ad_count ' (' ad_id ' int (8) Not NULL auto_increment, ' Ad_h ...
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