Oracle PL/SQL/Large Objects/Update

Update BLOB, CLOB cloumn

 
SQL>
SQL>
SQL> CREATE TABLE lobdemo (
  2    key NUMBER PRIMARY KEY,
  3    clob_col  CLOB,
  4    blob_col  BLOB,
  5    bfile_col BFILE
  6  );
Table created.
SQL>
SQL> INSERT INTO lobdemo (key, clob_col, blob_col, bfile_col)
  2    VALUES (50, "This is a character literal",
  3                 HEXTORAW("FEFEFEFEFEFEFEFEFEFE"),
  4                 NULL);
1 row created.
SQL>
SQL> INSERT INTO lobdemo (key, clob_col, blob_col, bfile_col)
  2    VALUES (51, "This is another character literal",
  3                 HEXTORAW("ABABABABABABABABABAB"),
  4                 NULL);
1 row created.
SQL>
SQL> UPDATE lobdemo
  2    SET blob_col = HEXTORAW("CDCDCDCDCDCDCDCDCDCDCDCD")
  3    WHERE key IN (50, 51);
2 rows updated.
SQL>
SQL>
SQL> DROP TABLE lobdemo;
Table dropped.
SQL>
SQL>