任何人都可以帮助您如何在Oracle中更新Blob数据
所以，我正在尝试像：
file = open ('picture.jpg','rb')
ext = 'jpg'
content = file.read ()
file.close ()
db = cx_Oracle.connect('user', 'pwd', dsn_tns)
db=db.cursor()
sqlStr = "update table_name set column1=:blobData, column2=" + str(ext) + " where id = 1"
db.setinputsizes (blobData = cx_Oracle.BLOB)
db.execute (sqlStr, {'blobData': content})
db.execute ('commit')
db.close()
最终，我得到了这样的错误：
cx_Oracle.DatabaseError: ORA-00904: "JPG": invalid identifier
file = open ('picture.jpg','rb')
ext = 'jpg'
content = file.read ()
file.close ()
db = cx_Oracle.connect('user', 'pwd', dsn_tns)
db=db.cursor()
blobvar = db.var(cx_Oracle.BLOB)
blobvar.setvalue(0,content)
sqlStr = "update table_name set column1=:blobData, column2="jpg" where id = 1"
db.setinputsizes (blobData = cx_Oracle.BLOB)
db.execute (sqlStr, {'blobData': blobvar})
db.execute ('commit')
db.close()
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我来说两句