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OracleParameter[] parameters = new OracleParameter[2];
parameters[0] = new OracleParameter("p_customersn", OracleDbType.Varchar2);
parameters[0].Value = customerSn;
parameters[1] = new OracleParameter("p_photo", OracleDbType.Blob, photo.Length);
parameters[1].Value = photo;
OracleHelper.ExecuteNonQuery(Program.connectionString, CommandType.StoredProcedure, "update_photp", parameters);
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PROCEDURE update_photp (p_customersn IN VARCHAR2, p_photo IN BLOB)
IS
BEGIN
--È¡³öblob¶ÔÏó
UPDATE spe_customer
SET photo = p_photo
WHERE customer_sn = p_customersn;
END;
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PROCEDURE update_photp (p_customersn IN VARCHAR2, p_photo IN BLOB)
IS
lobloc BLOB;
query_str VARCHAR2 (1000);
BEGIN
--È¡³öblob¶ÔÏó
UPDATE spe_customer
SET photo = EMPTY_BLOB ()
WHERE customer_sn = p_c
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