how to read sql database

Before doing a mall site, there is a module is customized home page, the time to drive the direct extraction of HTML content in PHP file, the first page read, then read the file output to the template. The read database of the topic refers to reading custom data, not HTML content. I'm not in a hurry now, want to know:

Previously, I was working on a mall website. one module was to customize the homepage, so I could extract the html content of the page and use php to write it into the file. when I read the homepage, I read the file and output it to the template. Reading the database of a question refers to reading custom data, not html content. I am not in a hurry now. I want to

C # Save the image to the database and read the image from the database and display it, How to save images to a database: Public void imgToDB (string SQL){// The imge variable name required to be saved in the parameter SQL is @ im

Main application Table Type1 Create table Bulktesttable (2Id nvarchar ( +), 3UserName nvarchar ( +), 4PWD nvarchar ( +)5 )6 Go7 CREATE TYPE Bulkudt as TABLE8(Id nvarchar ( +), 9UserName nvarchar ( +), TenPWD nvarchar ( +) )View CodeC # side reads Excel C # side inserts into the SQL table 　　C # One way to read Excel OLE DB read (1 million)--fast BULK INSERT

Mysql database: 1. PHP-obtain the number of rows of MySQL database query results: First, define a database interface function, which can be stored separately as a php page and on another php page, first, you must use the include function to include First, you need to define a database interface function, which can be

(' test.txt '); } Echo ' fopen direct read '. $times. ' Time: '. (Fngetmicrotime ()-$begin). ' Seconds'; Copy Code4K size data Query results: Fetch_row 100,000 time: 16.737720012665 seconds Fetch_array 100,000 times: 16.661195993423 seconds fetch_object 100000 Time: 16.775065898895 secondsDirect read file test result: file_get_contents Direct read

Comparison and analysis of the efficiency of php file read/write and database read/write Set_time_limit (0 ); Function fnGet ($ filename) { $ Content = file_get_contents ($ filename ); Return $ content; } Function fnGetContent ($ filename) { $ Content = fnGet ($ filename ); Return $ con

the VM file needed to access the table, and more crucially, if the corresponding bit (bit) in the VM file was the unset state, or the table was required, In view of its institutional limitations, the actual value of the technology is not so big, perhaps to write less read more business, will have a certain value.Above, only the common mainstream relational library indexing mechanism to make a brief statement to help readers understand the "high-perfo

close method of the connection object to close the database link.1. Read data with datareaderWe have learned how to create a database link and enable a database. However, executing SQL commands and enabling a table must depend on the command object. The program that uses th

I. Input/output stream1. Concept:The input and output stream is primarily used to save, read, and store the contents of the file in memory.2. How to use:Using System.IO;The System.IO namespace contains types that allow you to read and write files and data streams, and types that provide basic file and directory support.3. The code snippet realizes the reading and saving function:Read text:OpenFileDialog op