Oracle PL/SQL/Large Objects/Update

Update BLOB, CLOB cloumn

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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>

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