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What is a BLOB in SQL?

An SQL BLOB is a built-in type that stores a Binary Large Object as a column value in a row of a database table. By default drivers implement Blob using an SQL locator(BLOB) , which means that a Blob object contains a logical pointer to the SQL BLOB data rather than the data itself.


What does BLOB mean in SQL?

A BLOB (binary large object) is a varying-length binary string that can be up to 2,147,483,647 characters long. Like other binary types, BLOB strings are not associated with a code page. In addition, BLOB strings do not hold character data.

What is BLOB used for?

BLOB stands for Binary Large Object. It is defined as the chunk of binary data being stored as a single entity in a database system. BLOBs are used primarily to hold multimedia objects like images, videos, and sound, though they can also be used to store programs.

What is a BLOB database?

BLOB stands for a “Binary Large Object,” a data type that stores binary data. Binary Large Objects (BLOBs) can be complex files like images or videos, unlike other data strings that only store letters and numbers. A BLOB will hold multimedia objects to add to a database; however, not all databases support BLOB storage.

Is BLOB a data type in SQL?

A BLOB, or Binary Large Object, is an SQL object data type, meaning it is a reference or pointer to an object. Typically a BLOB is a file, image, video, or other large object. In database systems, such as Oracle and SQL Server, a BLOB can hold as much as 4 gigabytes.

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