What is a PHP BLOB?

What is a PHP BLOB?

BLOB stands for a binary large object that is a collection of binary data stored as a value in the database. By using the BLOB, you can store the documents, images, and other multimedia files in the database. We will create a new table named documents for the sake of demonstration.

How do I recover my BLOB image?

For displaying BLOB images to the browser, we have to create a PHP file to do to following….Read Image BLOB to Display

  1. get image data and type from MySQL BLOB.
  2. Set the content-type as image (image/jpg, image/gif, …) using PHP header().
  3. print image content.

Why BLOB is used in mysql?

A BLOB is a binary large object that can hold a variable amount of data. The four BLOB types are TINYBLOB , BLOB , MEDIUMBLOB , and LONGBLOB . These differ only in the maximum length of the values they can hold. The four TEXT types are TINYTEXT , TEXT , MEDIUMTEXT , and LONGTEXT .

Why blob is used in mysql?

What is an image BLOB?

BLOB stands for Binary Large OBject and refers to a group of connected pixels in a binary image. The term “Large” indicates that only objects of a certain size are of interest and that “small” binary objects are usually noise.

What is Blob and CLOB data type?

Blob is the mapping for the SQL BLOB (binary large object) type; java. sql. Clob is the mapping for the SQL CLOB (character large object) type. BLOB and CLOB objects are collectively referred to as LOBs (large objects).

What is blob HTML?

Every API in this post comes under HTML5 specification. A blob object represents a chuck of bytes that holds data of a file. But a blob is not a reference to a actual file, it may seem like it is. A blob has its size and MIME type just like a file has.

What is a blob url?

Blob URL/Object URL is a pseudo protocol to allow Blob and File objects to be used as URL source for things like images, download links for binary data and so forth. For example, you can not hand an Image object raw byte-data as it would not know what to do with it.

How do I upload files to Azure Blob Storage?

Sign in to the Azure portal. From the left menu, select Storage accounts , then select the name of your storage account. Select Containers , then select the thumbnails container. Select Upload to open the Upload blob pane. Choose a file with the file picker and select Upload.