Associating the New Blob with the Blob Column
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Execute the UPDATE
statement to associate the new Blob with the Blob column in the row selected by the statement:
isc_dsql_execute_immediate( status_vector, &db_handle, &trans,
0, /* indicates string to execute is null-terminated */
upd_str, /* UPDATE statement string to be executed */
1, /* da_version number */
in_sqlda ); /* XSQLDA supplying parameters to UPDATE statement */