Questions tagged as 'blob'

Tagged questions
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C # Threads How to optimize a SELECT with BLOB

I have a C # application (.Net 4.5) that when loading a screen among other operations it searches the database for a background image and sounds. It turns out that for some loaded screens this operation (search for images + sounds) takes 29 seco...
asked by 16.04.2015 / 17:09
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How to extract blob files in firebird?

I have in a table a field of type BLOB (BLOB SUB_TYPE 0 SEGMENT SIZE 80) where I store some binary files. I need to extract all the files stored in this table. Through IBExpert in the "Data / Form view" tab a field is displayed where I can right...
asked by 16.05.2014 / 20:36
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What is the correct way to consume BLOBs via JAVASCRIPTS, HTML5, etc?

I'm using Google App Engine's BLOBSTORE. I already have some images saved on the server now I would like to consume them via browser (HTML5, JAVASCRIPT etc ...) It turns out that I have only the link that apparently is not of the image itself, a...
asked by 01.07.2016 / 04:19
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I can not open a byte array extracted from the database!

Language: C # / ASP.NET Database: PostgreeSQL Component used to upload the file: FileUpload The following is the component: Hereisthemethodtoinsertatableinthedatabasethatonlyhasthefields:attachment_id/attachment_name/attachment Andf...
asked by 16.04.2015 / 16:38
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PHP with PDO returning BLOB records with foreach

Good afternoon guys, I'm new here (first question), but Stack has already helped me in many situations. Here's the problem: I'm developing an application and on a certain page there is a user profile page. On this page, a div that displays...
asked by 05.01.2017 / 20:39
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CLOB for string and vice versa [closed]

I'm developing a web server where I have to store images in String of Base64 exchanged by desktop , mobile and website to Oracle database, but I researched a lot and saw some alternatives that are: sto...
asked by 11.05.2017 / 04:30
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How to turn a byte [] into a file uploaded into a C # UploadFile

In the past I was able to get the file path through the component, but now after searching I found that it is no longer possible to get the file path on the client for security reasons, etc. In an old application I had a method with this code bl...
asked by 15.04.2015 / 13:39
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Case MySql returning blob type

I created a MySQL search query using case inside it. The problem is that when returning the value of the column that is of integer type, the value comes with the response blob . Here is the SELECT with the result of the query bel...
asked by 29.11.2017 / 13:26
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How can I transform a BLOB file into an image using PHP?

I need to transform a BLOB file that comes from a MYSQL database to the Image type, to use on my site, I need to do the conversion using PHP, when I use the image in BLOB format, it goes to the whole site in binary .     
asked by 18.11.2016 / 18:08
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Play video in mysql BLOB

Hello, I'm creating a site for uploads, and I packed a part, it's not professional I'm just testing my knowledge and training. My problem is the following, I need to make an efficient way for the video blob of the database to be played on mine w...
asked by 07.05.2017 / 22:38