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Follow the steps of this article: codejava.net/coding/upload-files-to-database-servlet-jsp-mysql.
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∙ 8y ago
You can retrieve an image file from a database in JSP by writing a servlet that fetches the image from the database and streams it to the JSP page. The servlet will set the content type to "image/jpeg" or the appropriate image format and write the image data to the response output stream. In the JSP page, you can then display the image by setting the source attribute of the img tag to the servlet URL.
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How do you dynamically identify the jsp in servlet?
You can dynamically identify the JSP file in a servlet by using the request URL or request parameters to determine which JSP to forward the request to. You can also store necessary information in session attributes or external configurations to help determine the appropriate JSP to display. Finally, you can use a servlet mapping or URL pattern to route requests to different JSP files based on the URL.
How do you create an address book using jsp and store all the information?
To create an address book using JSP, you can create a form to input contact information like name, email, phone number, etc. When the form is submitted, you can handle the data in a servlet and store it in a database like MySQL using JDBC. Then, you can retrieve and display this information in the JSP using Java servlets.
The developer of a relational database refers to a file as an?
In the context of a relational database, a file is commonly referred to as a table. A table is structured in rows and columns to store related data in a database system. Each table represents a specific entity or concept within the database.
Another name for a file in a database is called?
Another name for a file in a database is a "table." Tables are used to store data in rows and columns, with each row representing a record and each column representing a field or attribute.
Which term does a user of a relational database use to refer to a file?
A user of a relational database typically refers to a file as a "table." Tables in a relational database store data in rows and columns, following a structured format to allow for efficient data storage and retrieval.
What is a database file?
a database file is a space to store thumbnails for a database
How to Update data from jsp into database?
can i get update coding in jsp??
How to upload excel sheet data into a MySQL database using JSP and Servlets?
It is very easy to upload excel spreadsheet data into a MySQL database using JSP and servlets. Within Java there is a tool where you can designate the name and location of the file you would like to import. Once you furnish the file name Java server pages will do the work for you.
How do you import jsp file in servlet?
I think the name of the jsp file is included in the web.xml of the servlet
Jsp file is text or xml based document?
A JSP file is a text based document with a .jsp extension. The file can contain HTML content, Java code and other text.
How can you compile the jsp file?
JSP file would be automatically compiled by an engine called Jasper in the servelt containter.
Can you create a database with only a form?
Yes , you can create a database using a form . But you have to do two things First make a form in html or jsp whatever you like. Then Connect the form to database using java database connectivity.Yes, we can create database with a form. First create a form using html or jsp then we can connect it to database using JDBC.
How validate and retrieve data from database in jsp?
We can do validation by using JavaScript. Here we are using function Validate(). Iam creating one JSP name index.jsp & give a link to another JSP name basic.jsp. In that Jsp iam using Type 1 Jdbc Driver & giving a database connection
How do you retrieve image from database using php source code with demo?
Putting an image in a database is a bad practise in itself. Instead put the image name along with extension in the database file and use relative path to retrieve the image from the image folder.For example: If your image is in a folder named images/users then write the following code. The image path variable named $img_path will be stored in database.function upload_Image(){$uploaddir = realpath($_SERVER['DOCUMENT_ROOT']);$filename = $_FILES['file']['name'];$uploadfile = $uploaddir.'/project_name/image/users/'.basename($filename);$error = $_FILES['file']['error'];$tmp_file = $_FILES['file']['tmp_name'];$size = ($_FILES['file']['size']/1024); // File Size will be displayed in kilo bytes$type = $_FILES['file']['type'];if(($type=="image/jpeg"$type=="image/png"$type=="image/gif")&&($size0){echo "Invalid File";}else if($filename==""){echo "Filename not found";}else{if(file_exists($uploadfile)){"File already exists!!"; // To avoid duplication of files}else{if(move_uploaded_file($tmp_file, $uploadfile)){echo "File Uploaded";$imgpath = basename($filename);// connection// select database$query = mysql_query("INSERT INTO db_name (Image Path) VALUES('$imgpath')");if(!$query)echo "File cannot be added to database: ".mysql_error();}elseecho "Could not upload files";}}}else{echo "File is not image type";}}
When it is more appropriate to use a file system rather than a database?
One answer is when you are dealing with image files like JPGs or PDFs. One mistake I see people making is storing image files within a database. That's a poor design. They bloat the database and can't be indexed. You should store the images in a file system and simply put ponters in the database.
Difference between JSP and JAVA Script?
Hi, 1. JSP is a server side scripting while Javascript is as client side scripting language. 2. JSP also connects with database to fetch up the records from the database while javascript can be used for validate the code on client side.
Is a jpg a database?
No, a JPG (or JPEG) is an image file. This is often used for photographs and other higher-detail graphics.
