Large-Object Data Types
Large-object data types can store extremely large column
values, such as images and documents, independently of the column.
Large-Object Data Type |--+-+-TEXT-+--+-------------------+-+--------------------------| | '-BYTE-' '-IN--+-TABLE-----+-' | | '-blobspace-' | '-+-BLOB-+------------------------' '-CLOB-'
Element | Description | Restrictions | Syntax |
---|---|---|---|
blobspace | Name of an existing blobspace | Must exist | Identifier |
The large object data types can be classified in two categories:
- Simple large objects: TEXT and BYTE
- Smart large objects: CLOB and BLOB