most popular database software

The first write uses. NET C # to develop a slightly like software, in the software development process I looked at a lot of information, but also learned many tips Like FolderBrowserDialog (used to browse the dialog box for the selection of folders), MessageBox (Message Processing dialog), DirectoryInfo (directory information, can be used to create, detect the existence of a directory operation, etc.), File

Browser | data | database | Browser Document database is an important part of internet/intranet application. With manual maintenance site documents and links, the administrator should have a little web technology background to be competent, with the expansion of the site, the need to maintain more and more documents, it is inevitable that there is no sense of inadequacy. Using a document

]; This. datagridview1.columns[1]. Visible =false; This. datagridview1.columns[0]. Width = This. Width; } Catch(Exception ex) {}}Here, we will save the collected blog post to the database, which used the dynamic code generator three layer structure, the specific code please download the study yourself.Song BoSource: http://www.cnblogs.com/ice-river/The copyright of this article is owned by the author and the blog Park, welcome

I have been busy for a while. Today I will spend some time to summarize the unfinished word segmentation series .. The previous article mentioned the use of HashSet However, if you use a database, well, let's look at the performance of this word segmentation software when you use a database. 1. Create a database In

;>3]|=(val1) } } The more available indexes, the better the result. Using dedicated indexes such as the R tree and Patricia trie accelerates code development, improves code efficiency, and enables applications to process more complex data structures. Although the famous B-tree is sufficient to handle a large number of common query tasks, the less famous index types can be better done in specialized applications and data types. The R tree can efficiently process ing and geospatial data, wh

Database design is the bottom of software project, it is related to the basic content design of software project. The job of a database engineer is to design a database, maintain a database, and optimize the

Part 1 Database SQL language Database script file Layout The Code layout of database script files has the following significance: (1) demonstrates a good logic structure of the Code, improving the accuracy, continuity, readability and maintainability of the Code. (2) It is conducive to improving product development quality and efficiency, and reducing developmen

The CRS and database software of RAC have been installed and upgraded to 10.2.0.4. An error cannot be solved. No way onlyReinstall CRS.(Error similar to srvctl add service fails with PROC-5 [ID 466952.1]However, this error occurs when I create a database. The error is reported when the service is added .)However, the previous step took about five hours. If everyt

of records to get query resultsecho $ls _num;echo "";if (ls_num>0){$ls _col = $test->dbnumcols ($db); Gets the number of columns in the tableecho $ls _col;echo "";$cate _result= $test->dbfetchrow ($temp _result,0);//Get the first line of records$hcid = $cate _result[0];//Gets the value of name$hcate = $cate _result[1];//The value of payEcho $hcid;echo "";Echo $hcate;}?>This is a simple application wrapper class to complete the operation of the database