vargraphic-structure 1 _Packed struct 2? tag 3 { 4? signed 5 short 6! int 7 var-6 ; wchar_t var-7 [ length ] ; } lob 1 SQL TYPE IS 2.0 CLOB 2.0 DBCLOB 2.0 BLOB 2.1 ( length 2.1.1? 2.1.1 K 2.1.1 M 2.1.1 G 2.1.2 ) 2.0 CLOB_LOCATOR 2.0 DBCLOB_LOCATOR 2.0 BLOB_LOCATOR 2.0 CLOB_FILE 2.0 DBCLOB_FILE 2.0 BLOB_FILE SQL-varchar 1 VARCHAR variable-name [ length ] rowid 1 SQL TYPE IS ROWID binary 1 SQL TYPE IS 2 BINARY 2 VARBINARY 2 BINARY VARYING 3 ( length )