A BLOB column with a maximum length of 4,294,967,295 bytes or 4GB (232 - 1). The effective maximum length of LONGBLOB columns depends on the configured maximum packet size in the client/server protocol and available memory. Each LONGBLOB value is stored using a four-byte length prefix that indicates the number of bytes in the value.

Oracle Mode

In Oracle mode from MariaDB 10.3, BLOB is a synonym for LONGBLOB.

See Also


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