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On Tue, Mar 26, 2013 at 8:04 AM, <rob@xxxxxxxxx> wrote:
All I can google for on ansi data types are microsoft comparison charts. I
don't trust them. For one thing either microsoft is wrong and ansi does
support BLOB, or, microsoft is right and IBM's BLOB is an extension to the
standard.
ANSI/ISO standards have evolved (and at times have been unspecific or
unclear). SQL-92 definitely did not include BLOB. SQL:1999 did.
Some reading, I guess mainly for standards geeks:
http://stackoverflow.com/questions/784900/why-does-no-database-fully-support-ansi-or-iso-sql-standards
http://troels.arvin.dk/db/rdbms/
Note that there are differences even among IBM's own products. Every
platform listed has features that are only partially supported:
https://www.ibm.com/developerworks/data/library/techarticle/db2common/
I do find it odd that Microsoft would choose not to add a BLOB
keyword, even if only as syntactic sugar for varbinary(max).
John
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